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Finding the Fourth Proportional to 549,373.97, 758,098.50 and 304,350.32

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Solution

The fourth proportional to 549,373.97, 758,098.50 and 304,350.32 is: 419,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,373.97 : 758,098.50 = 304,350.32 : x
  2. Step 2: Convert to fraction form
    549,373.97/758,098.50 = 304,350.32/x
  3. Step 3: Cross multiply
    549,373.97x = 758,098.50 × 304,350.32
  4. Step 4: Simplify right side
    549,373.97x = 230,727,521,066.52
  5. Step 5: Solve for x
    x = 230,727,521,066.52/549,373.97
  6. Step 6: Final answer
    x = 419,982.62

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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.