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Finding the Fourth Proportional to 477,180.95, 715,752.73 and 161,637.85

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Solution

The fourth proportional to 477,180.95, 715,752.73 and 161,637.85 is: 242,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,180.95 : 715,752.73 = 161,637.85 : x
  2. Step 2: Convert to fraction form
    477,180.95/715,752.73 = 161,637.85/x
  3. Step 3: Cross multiply
    477,180.95x = 715,752.73 × 161,637.85
  4. Step 4: Simplify right side
    477,180.95x = 115,692,730,215.35
  5. Step 5: Solve for x
    x = 115,692,730,215.35/477,180.95
  6. Step 6: Final answer
    x = 242,450.44

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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.