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Finding the Fourth Proportional to 417,697.70, 576,423.48 and 226,711.17

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Solution

The fourth proportional to 417,697.70, 576,423.48 and 226,711.17 is: 312,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,697.70 : 576,423.48 = 226,711.17 : x
  2. Step 2: Convert to fraction form
    417,697.70/576,423.48 = 226,711.17/x
  3. Step 3: Cross multiply
    417,697.70x = 576,423.48 × 226,711.17
  4. Step 4: Simplify right side
    417,697.70x = 130,681,641,566.27
  5. Step 5: Solve for x
    x = 130,681,641,566.27/417,697.70
  6. Step 6: Final answer
    x = 312,861.77

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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.