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Finding the Fourth Proportional to 461,666.20, 692,499.30 and 433,672.60

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Solution

The fourth proportional to 461,666.20, 692,499.30 and 433,672.60 is: 650,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,666.20 : 692,499.30 = 433,672.60 : x
  2. Step 2: Convert to fraction form
    461,666.20/692,499.30 = 433,672.60/x
  3. Step 3: Cross multiply
    461,666.20x = 692,499.30 × 433,672.60
  4. Step 4: Simplify right side
    461,666.20x = 300,317,971,929.18
  5. Step 5: Solve for x
    x = 300,317,971,929.18/461,666.20
  6. Step 6: Final answer
    x = 650,508.90

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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.