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Finding the Fourth Proportional to 549,046.02, 757,691.24 and 316,344.35

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Solution

The fourth proportional to 549,046.02, 757,691.24 and 316,344.35 is: 436,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,046.02 : 757,691.24 = 316,344.35 : x
  2. Step 2: Convert to fraction form
    549,046.02/757,691.24 = 316,344.35/x
  3. Step 3: Cross multiply
    549,046.02x = 757,691.24 × 316,344.35
  4. Step 4: Simplify right side
    549,046.02x = 239,691,341,715.13
  5. Step 5: Solve for x
    x = 239,691,341,715.13/549,046.02
  6. Step 6: Final answer
    x = 436,559.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.