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Finding the Fourth Proportional to 383,715.27, 575,655.93 and 147,058.11

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Solution

The fourth proportional to 383,715.27, 575,655.93 and 147,058.11 is: 220,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,715.27 : 575,655.93 = 147,058.11 : x
  2. Step 2: Convert to fraction form
    383,715.27/575,655.93 = 147,058.11/x
  3. Step 3: Cross multiply
    383,715.27x = 575,655.93 × 147,058.11
  4. Step 4: Simplify right side
    383,715.27x = 84,654,873,076.09
  5. Step 5: Solve for x
    x = 84,654,873,076.09/383,715.27
  6. Step 6: Final answer
    x = 220,618.98

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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.