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Finding the Fourth Proportional to 976,865.70, 1,465,298.55 and 724,923.30

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Solution

The fourth proportional to 976,865.70, 1,465,298.55 and 724,923.30 is: 1,087,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,865.70 : 1,465,298.55 = 724,923.30 : x
  2. Step 2: Convert to fraction form
    976,865.70/1,465,298.55 = 724,923.30/x
  3. Step 3: Cross multiply
    976,865.70x = 1,465,298.55 × 724,923.30
  4. Step 4: Simplify right side
    976,865.70x = 1,062,229,060,351.22
  5. Step 5: Solve for x
    x = 1,062,229,060,351.22/976,865.70
  6. Step 6: Final answer
    x = 1,087,384.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.