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Finding the Fourth Proportional to 476,174.77, 714,179.45 and 187,909.49

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Solution

The fourth proportional to 476,174.77, 714,179.45 and 187,909.49 is: 281,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,174.77 : 714,179.45 = 187,909.49 : x
  2. Step 2: Convert to fraction form
    476,174.77/714,179.45 = 187,909.49/x
  3. Step 3: Cross multiply
    476,174.77x = 714,179.45 × 187,909.49
  4. Step 4: Simplify right side
    476,174.77x = 134,201,098,473.20
  5. Step 5: Solve for x
    x = 134,201,098,473.20/476,174.77
  6. Step 6: Final answer
    x = 281,831.60

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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.