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Finding the Fourth Proportional to 425,298.71, 586,913.67 and 234,311.64

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Solution

The fourth proportional to 425,298.71, 586,913.67 and 234,311.64 is: 323,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,298.71 : 586,913.67 = 234,311.64 : x
  2. Step 2: Convert to fraction form
    425,298.71/586,913.67 = 234,311.64/x
  3. Step 3: Cross multiply
    425,298.71x = 586,913.67 × 234,311.64
  4. Step 4: Simplify right side
    425,298.71x = 137,520,704,556.12
  5. Step 5: Solve for x
    x = 137,520,704,556.12/425,298.71
  6. Step 6: Final answer
    x = 323,350.87

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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.