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Finding the Fourth Proportional to 482,575.60, 723,863.40 and 404,426.80

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Solution

The fourth proportional to 482,575.60, 723,863.40 and 404,426.80 is: 606,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,575.60 : 723,863.40 = 404,426.80 : x
  2. Step 2: Convert to fraction form
    482,575.60/723,863.40 = 404,426.80/x
  3. Step 3: Cross multiply
    482,575.60x = 723,863.40 × 404,426.80
  4. Step 4: Simplify right side
    482,575.60x = 292,749,758,499.12
  5. Step 5: Solve for x
    x = 292,749,758,499.12/482,575.60
  6. Step 6: Final answer
    x = 606,640.20

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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.