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Finding the Fourth Proportional to 542,353.56, 748,194.78 and 341,260.44

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Solution

The fourth proportional to 542,353.56, 748,194.78 and 341,260.44 is: 470,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,353.56 : 748,194.78 = 341,260.44 : x
  2. Step 2: Convert to fraction form
    542,353.56/748,194.78 = 341,260.44/x
  3. Step 3: Cross multiply
    542,353.56x = 748,194.78 × 341,260.44
  4. Step 4: Simplify right side
    542,353.56x = 255,329,279,828.50
  5. Step 5: Solve for x
    x = 255,329,279,828.50/542,353.56
  6. Step 6: Final answer
    x = 470,780.13

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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.