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Finding the Fourth Proportional to 477,180.52, 715,752.08 and 161,637.42

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Solution

The fourth proportional to 477,180.52, 715,752.08 and 161,637.42 is: 242,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,180.52 : 715,752.08 = 161,637.42 : x
  2. Step 2: Convert to fraction form
    477,180.52/715,752.08 = 161,637.42/x
  3. Step 3: Cross multiply
    477,180.52x = 715,752.08 × 161,637.42
  4. Step 4: Simplify right side
    477,180.52x = 115,692,319,570.83
  5. Step 5: Solve for x
    x = 115,692,319,570.83/477,180.52
  6. Step 6: Final answer
    x = 242,449.80

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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.