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Finding the Fourth Proportional to 497,349.60, 746,024.40 and 429,698.40

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Solution

The fourth proportional to 497,349.60, 746,024.40 and 429,698.40 is: 644,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,349.60 : 746,024.40 = 429,698.40 : x
  2. Step 2: Convert to fraction form
    497,349.60/746,024.40 = 429,698.40/x
  3. Step 3: Cross multiply
    497,349.60x = 746,024.40 × 429,698.40
  4. Step 4: Simplify right side
    497,349.60x = 320,565,491,040.96
  5. Step 5: Solve for x
    x = 320,565,491,040.96/497,349.60
  6. Step 6: Final answer
    x = 644,547.60

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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.