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Finding the Fourth Proportional to 351,950.40, 527,925.60 and 115,300.80

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Solution

The fourth proportional to 351,950.40, 527,925.60 and 115,300.80 is: 172,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,950.40 : 527,925.60 = 115,300.80 : x
  2. Step 2: Convert to fraction form
    351,950.40/527,925.60 = 115,300.80/x
  3. Step 3: Cross multiply
    351,950.40x = 527,925.60 × 115,300.80
  4. Step 4: Simplify right side
    351,950.40x = 60,870,244,020.48
  5. Step 5: Solve for x
    x = 60,870,244,020.48/351,950.40
  6. Step 6: Final answer
    x = 172,951.20

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1.5x scale

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.