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Finding the Fourth Proportional to 604,863.60, 907,295.40 and 511,551.60

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Solution

The fourth proportional to 604,863.60, 907,295.40 and 511,551.60 is: 767,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,863.60 : 907,295.40 = 511,551.60 : x
  2. Step 2: Convert to fraction form
    604,863.60/907,295.40 = 511,551.60/x
  3. Step 3: Cross multiply
    604,863.60x = 907,295.40 × 511,551.60
  4. Step 4: Simplify right side
    604,863.60x = 464,128,413,542.64
  5. Step 5: Solve for x
    x = 464,128,413,542.64/604,863.60
  6. Step 6: Final answer
    x = 767,327.40

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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.