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Finding the Fourth Proportional to 425,117.43, 586,688.57 and 234,130.77

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Solution

The fourth proportional to 425,117.43, 586,688.57 and 234,130.77 is: 323,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,117.43 : 586,688.57 = 234,130.77 : x
  2. Step 2: Convert to fraction form
    425,117.43/586,688.57 = 234,130.77/x
  3. Step 3: Cross multiply
    425,117.43x = 586,688.57 × 234,130.77
  4. Step 4: Simplify right side
    425,117.43x = 137,361,846,644.30
  5. Step 5: Solve for x
    x = 137,361,846,644.30/425,117.43
  6. Step 6: Final answer
    x = 323,115.07

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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.