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Finding the Fourth Proportional to 425,365.12, 587,030.08 and 234,378.46

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Solution

The fourth proportional to 425,365.12, 587,030.08 and 234,378.46 is: 323,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,365.12 : 587,030.08 = 234,378.46 : x
  2. Step 2: Convert to fraction form
    425,365.12/587,030.08 = 234,378.46/x
  3. Step 3: Cross multiply
    425,365.12x = 587,030.08 × 234,378.46
  4. Step 4: Simplify right side
    425,365.12x = 137,587,206,124.08
  5. Step 5: Solve for x
    x = 137,587,206,124.08/425,365.12
  6. Step 6: Final answer
    x = 323,456.72

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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.