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Finding the Fourth Proportional to 425,130.93, 586,679.15 and 234,143.87

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Solution

The fourth proportional to 425,130.93, 586,679.15 and 234,143.87 is: 323,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,130.93 : 586,679.15 = 234,143.87 : x
  2. Step 2: Convert to fraction form
    425,130.93/586,679.15 = 234,143.87/x
  3. Step 3: Cross multiply
    425,130.93x = 586,679.15 × 234,143.87
  4. Step 4: Simplify right side
    425,130.93x = 137,367,324,281.27
  5. Step 5: Solve for x
    x = 137,367,324,281.27/425,130.93
  6. Step 6: Final answer
    x = 323,117.69

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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.