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Finding the Fourth Proportional to 425,465.32, 587,146.14 and 234,485.68

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Solution

The fourth proportional to 425,465.32, 587,146.14 and 234,485.68 is: 323,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,465.32 : 587,146.14 = 234,485.68 : x
  2. Step 2: Convert to fraction form
    425,465.32/587,146.14 = 234,485.68/x
  3. Step 3: Cross multiply
    425,465.32x = 587,146.14 × 234,485.68
  4. Step 4: Simplify right side
    425,465.32x = 137,677,361,897.28
  5. Step 5: Solve for x
    x = 137,677,361,897.28/425,465.32
  6. Step 6: Final answer
    x = 323,592.44

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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.