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Finding the Fourth Proportional to 604,823.60, 907,235.40 and 511,511.60

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Solution

The fourth proportional to 604,823.60, 907,235.40 and 511,511.60 is: 767,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,823.60 : 907,235.40 = 511,511.60 : x
  2. Step 2: Convert to fraction form
    604,823.60/907,235.40 = 511,511.60/x
  3. Step 3: Cross multiply
    604,823.60x = 907,235.40 × 511,511.60
  4. Step 4: Simplify right side
    604,823.60x = 464,061,431,030.64
  5. Step 5: Solve for x
    x = 464,061,431,030.64/604,823.60
  6. Step 6: Final answer
    x = 767,267.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.