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Finding the Fourth Proportional to 1,182,153.74, 1,773,479.72 and 383,373

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Solution

The fourth proportional to 1,182,153.74, 1,773,479.72 and 383,373 is: 575,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,153.74 : 1,773,479.72 = 383,373 : x
  2. Step 2: Convert to fraction form
    1,182,153.74/1,773,479.72 = 383,373/x
  3. Step 3: Cross multiply
    1,182,153.74x = 1,773,479.72 × 383,373
  4. Step 4: Simplify right side
    1,182,153.74x = 679,904,238,778.70
  5. Step 5: Solve for x
    x = 679,904,238,778.70/1,182,153.74
  6. Step 6: Final answer
    x = 575,140.29

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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.