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Finding the Fourth Proportional to 425,243.32, 586,836.80 and 234,259.90

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Solution

The fourth proportional to 425,243.32, 586,836.80 and 234,259.90 is: 323,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,243.32 : 586,836.80 = 234,259.90 : x
  2. Step 2: Convert to fraction form
    425,243.32/586,836.80 = 234,259.90/x
  3. Step 3: Cross multiply
    425,243.32x = 586,836.80 × 234,259.90
  4. Step 4: Simplify right side
    425,243.32x = 137,472,328,324.40
  5. Step 5: Solve for x
    x = 137,472,328,324.40/425,243.32
  6. Step 6: Final answer
    x = 323,279.22

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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.