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Finding the Fourth Proportional to 425,429.37, 587,118.65 and 234,442.71

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Solution

The fourth proportional to 425,429.37, 587,118.65 and 234,442.71 is: 323,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,429.37 : 587,118.65 = 234,442.71 : x
  2. Step 2: Convert to fraction form
    425,429.37/587,118.65 = 234,442.71/x
  3. Step 3: Cross multiply
    425,429.37x = 587,118.65 × 234,442.71
  4. Step 4: Simplify right side
    425,429.37x = 137,645,686,225.33
  5. Step 5: Solve for x
    x = 137,645,686,225.33/425,429.37
  6. Step 6: Final answer
    x = 323,545.33

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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.