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Finding the Fourth Proportional to 662,407.60, 993,611.40 and 574,927.60

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Solution

The fourth proportional to 662,407.60, 993,611.40 and 574,927.60 is: 862,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,407.60 : 993,611.40 = 574,927.60 : x
  2. Step 2: Convert to fraction form
    662,407.60/993,611.40 = 574,927.60/x
  3. Step 3: Cross multiply
    662,407.60x = 993,611.40 × 574,927.60
  4. Step 4: Simplify right side
    662,407.60x = 571,254,617,534.64
  5. Step 5: Solve for x
    x = 571,254,617,534.64/662,407.60
  6. Step 6: Final answer
    x = 862,391.40

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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.