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Finding the Fourth Proportional to 992,496, 1,369,646.10 and 539,787

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Solution

The fourth proportional to 992,496, 1,369,646.10 and 539,787 is: 744,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,496 : 1,369,646.10 = 539,787 : x
  2. Step 2: Convert to fraction form
    992,496/1,369,646.10 = 539,787/x
  3. Step 3: Cross multiply
    992,496x = 1,369,646.10 × 539,787
  4. Step 4: Simplify right side
    992,496x = 739,317,159,380.70
  5. Step 5: Solve for x
    x = 739,317,159,380.70/992,496
  6. Step 6: Final answer
    x = 744,906.94

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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.