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Finding the Fourth Proportional to 608,769.60, 908,754.96 and 534,120

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Solution

The fourth proportional to 608,769.60, 908,754.96 and 534,120 is: 797,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,769.60 : 908,754.96 = 534,120 : x
  2. Step 2: Convert to fraction form
    608,769.60/908,754.96 = 534,120/x
  3. Step 3: Cross multiply
    608,769.60x = 908,754.96 × 534,120
  4. Step 4: Simplify right side
    608,769.60x = 485,384,199,235.20
  5. Step 5: Solve for x
    x = 485,384,199,235.20/608,769.60
  6. Step 6: Final answer
    x = 797,320.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.