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Finding the Fourth Proportional to 425,618.98, 587,358.12 and 234,639.19

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Solution

The fourth proportional to 425,618.98, 587,358.12 and 234,639.19 is: 323,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,618.98 : 587,358.12 = 234,639.19 : x
  2. Step 2: Convert to fraction form
    425,618.98/587,358.12 = 234,639.19/x
  3. Step 3: Cross multiply
    425,618.98x = 587,358.12 × 234,639.19
  4. Step 4: Simplify right side
    425,618.98x = 137,817,233,516.72
  5. Step 5: Solve for x
    x = 137,817,233,516.72/425,618.98
  6. Step 6: Final answer
    x = 323,804.25

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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.