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Finding the Fourth Proportional to 338,262.69, 507,394.04 and 88,925.25

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Solution

The fourth proportional to 338,262.69, 507,394.04 and 88,925.25 is: 133,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,262.69 : 507,394.04 = 88,925.25 : x
  2. Step 2: Convert to fraction form
    338,262.69/507,394.04 = 88,925.25/x
  3. Step 3: Cross multiply
    338,262.69x = 507,394.04 × 88,925.25
  4. Step 4: Simplify right side
    338,262.69x = 45,120,141,410.88
  5. Step 5: Solve for x
    x = 45,120,141,410.88/338,262.69
  6. Step 6: Final answer
    x = 133,387.88

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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.