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Finding the Fourth Proportional to 425,433.71, 587,097.24 and 234,447.05

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Solution

The fourth proportional to 425,433.71, 587,097.24 and 234,447.05 is: 323,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,433.71 : 587,097.24 = 234,447.05 : x
  2. Step 2: Convert to fraction form
    425,433.71/587,097.24 = 234,447.05/x
  3. Step 3: Cross multiply
    425,433.71x = 587,097.24 × 234,447.05
  4. Step 4: Simplify right side
    425,433.71x = 137,643,215,981.14
  5. Step 5: Solve for x
    x = 137,643,215,981.14/425,433.71
  6. Step 6: Final answer
    x = 323,536.22

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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.