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Finding the Fourth Proportional to 818,744, 1,226,758.28 and 497,925.48

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Solution

The fourth proportional to 818,744, 1,226,758.28 and 497,925.48 is: 746,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,744 : 1,226,758.28 = 497,925.48 : x
  2. Step 2: Convert to fraction form
    818,744/1,226,758.28 = 497,925.48/x
  3. Step 3: Cross multiply
    818,744x = 1,226,758.28 × 497,925.48
  4. Step 4: Simplify right side
    818,744x = 610,834,205,412.97
  5. Step 5: Solve for x
    x = 610,834,205,412.97/818,744
  6. Step 6: Final answer
    x = 746,062.51

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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.