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Finding the Fourth Proportional to 425,664.60, 587,452.16 and 234,696.12

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Solution

The fourth proportional to 425,664.60, 587,452.16 and 234,696.12 is: 323,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,664.60 : 587,452.16 = 234,696.12 : x
  2. Step 2: Convert to fraction form
    425,664.60/587,452.16 = 234,696.12/x
  3. Step 3: Cross multiply
    425,664.60x = 587,452.16 × 234,696.12
  4. Step 4: Simplify right side
    425,664.60x = 137,872,742,637.62
  5. Step 5: Solve for x
    x = 137,872,742,637.62/425,664.60
  6. Step 6: Final answer
    x = 323,899.95

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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.