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Finding the Fourth Proportional to 636,042.92, 953,831.10 and 186,648.44

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Solution

The fourth proportional to 636,042.92, 953,831.10 and 186,648.44 is: 279,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,042.92 : 953,831.10 = 186,648.44 : x
  2. Step 2: Convert to fraction form
    636,042.92/953,831.10 = 186,648.44/x
  3. Step 3: Cross multiply
    636,042.92x = 953,831.10 × 186,648.44
  4. Step 4: Simplify right side
    636,042.92x = 178,031,086,838.48
  5. Step 5: Solve for x
    x = 178,031,086,838.48/636,042.92
  6. Step 6: Final answer
    x = 279,904.20

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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.