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Finding the Fourth Proportional to 976,881.65, 1,462,798.85 and 674,209.76

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Solution

The fourth proportional to 976,881.65, 1,462,798.85 and 674,209.76 is: 1,009,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,881.65 : 1,462,798.85 = 674,209.76 : x
  2. Step 2: Convert to fraction form
    976,881.65/1,462,798.85 = 674,209.76/x
  3. Step 3: Cross multiply
    976,881.65x = 1,462,798.85 × 674,209.76
  4. Step 4: Simplify right side
    976,881.65x = 986,233,250,901.73
  5. Step 5: Solve for x
    x = 986,233,250,901.73/976,881.65
  6. Step 6: Final answer
    x = 1,009,572.92

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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.