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Finding the Fourth Proportional to 425,901.60, 587,764.80 and 234,914.40

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Solution

The fourth proportional to 425,901.60, 587,764.80 and 234,914.40 is: 324,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,901.60 : 587,764.80 = 234,914.40 : x
  2. Step 2: Convert to fraction form
    425,901.60/587,764.80 = 234,914.40/x
  3. Step 3: Cross multiply
    425,901.60x = 587,764.80 × 234,914.40
  4. Step 4: Simplify right side
    425,901.60x = 138,074,415,333.12
  5. Step 5: Solve for x
    x = 138,074,415,333.12/425,901.60
  6. Step 6: Final answer
    x = 324,193.23

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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.