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Finding the Fourth Proportional to 549,331.97, 758,078.01 and 304,332.66

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Solution

The fourth proportional to 549,331.97, 758,078.01 and 304,332.66 is: 419,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,331.97 : 758,078.01 = 304,332.66 : x
  2. Step 2: Convert to fraction form
    549,331.97/758,078.01 = 304,332.66/x
  3. Step 3: Cross multiply
    549,331.97x = 758,078.01 × 304,332.66
  4. Step 4: Simplify right side
    549,331.97x = 230,707,897,270.81
  5. Step 5: Solve for x
    x = 230,707,897,270.81/549,331.97
  6. Step 6: Final answer
    x = 419,979.01

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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.