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Finding the Fourth Proportional to 540,922.32, 747,236.34 and 492,443.28

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Solution

The fourth proportional to 540,922.32, 747,236.34 and 492,443.28 is: 680,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,922.32 : 747,236.34 = 492,443.28 : x
  2. Step 2: Convert to fraction form
    540,922.32/747,236.34 = 492,443.28/x
  3. Step 3: Cross multiply
    540,922.32x = 747,236.34 × 492,443.28
  4. Step 4: Simplify right side
    540,922.32x = 367,971,514,204.80
  5. Step 5: Solve for x
    x = 367,971,514,204.80/540,922.32
  6. Step 6: Final answer
    x = 680,266.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.