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Finding the Fourth Proportional to 540,100.04, 745,353.11 and 298,398.20

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Solution

The fourth proportional to 540,100.04, 745,353.11 and 298,398.20 is: 411,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,100.04 : 745,353.11 = 298,398.20 : x
  2. Step 2: Convert to fraction form
    540,100.04/745,353.11 = 298,398.20/x
  3. Step 3: Cross multiply
    540,100.04x = 745,353.11 × 298,398.20
  4. Step 4: Simplify right side
    540,100.04x = 222,412,024,896.41
  5. Step 5: Solve for x
    x = 222,412,024,896.41/540,100.04
  6. Step 6: Final answer
    x = 411,797.83

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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.