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Finding the Fourth Proportional to 317,123.22, 437,626.71 and 173,882.94

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Solution

The fourth proportional to 317,123.22, 437,626.71 and 173,882.94 is: 239,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,123.22 : 437,626.71 = 173,882.94 : x
  2. Step 2: Convert to fraction form
    317,123.22/437,626.71 = 173,882.94/x
  3. Step 3: Cross multiply
    317,123.22x = 437,626.71 × 173,882.94
  4. Step 4: Simplify right side
    317,123.22x = 76,095,818,957.33
  5. Step 5: Solve for x
    x = 76,095,818,957.33/317,123.22
  6. Step 6: Final answer
    x = 239,956.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.