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Finding the Fourth Proportional to 477,306.30, 715,946.58 and 117,480.36

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Solution

The fourth proportional to 477,306.30, 715,946.58 and 117,480.36 is: 176,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,306.30 : 715,946.58 = 117,480.36 : x
  2. Step 2: Convert to fraction form
    477,306.30/715,946.58 = 117,480.36/x
  3. Step 3: Cross multiply
    477,306.30x = 715,946.58 × 117,480.36
  4. Step 4: Simplify right side
    477,306.30x = 84,109,661,959.17
  5. Step 5: Solve for x
    x = 84,109,661,959.17/477,306.30
  6. Step 6: Final answer
    x = 176,217.37

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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.