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Finding the Fourth Proportional to 558,223.10, 782,562.10 and 558,223.10

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Solution

The fourth proportional to 558,223.10, 782,562.10 and 558,223.10 is: 782,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,223.10 : 782,562.10 = 558,223.10 : x
  2. Step 2: Convert to fraction form
    558,223.10/782,562.10 = 558,223.10/x
  3. Step 3: Cross multiply
    558,223.10x = 782,562.10 × 558,223.10
  4. Step 4: Simplify right side
    558,223.10x = 436,844,241,404.51
  5. Step 5: Solve for x
    x = 436,844,241,404.51/558,223.10
  6. Step 6: Final answer
    x = 782,562.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.