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Finding the Fourth Proportional to 899,777.92, 1,241,644.80 and 497,344

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Solution

The fourth proportional to 899,777.92, 1,241,644.80 and 497,344 is: 686,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,777.92 : 1,241,644.80 = 497,344 : x
  2. Step 2: Convert to fraction form
    899,777.92/1,241,644.80 = 497,344/x
  3. Step 3: Cross multiply
    899,777.92x = 1,241,644.80 × 497,344
  4. Step 4: Simplify right side
    899,777.92x = 617,524,591,411.20
  5. Step 5: Solve for x
    x = 617,524,591,411.20/899,777.92
  6. Step 6: Final answer
    x = 686,307.79

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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.