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Finding the Fourth Proportional to 581,543.74, 872,315.34 and 182,215.90

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Solution

The fourth proportional to 581,543.74, 872,315.34 and 182,215.90 is: 273,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,543.74 : 872,315.34 = 182,215.90 : x
  2. Step 2: Convert to fraction form
    581,543.74/872,315.34 = 182,215.90/x
  3. Step 3: Cross multiply
    581,543.74x = 872,315.34 × 182,215.90
  4. Step 4: Simplify right side
    581,543.74x = 158,949,724,761.91
  5. Step 5: Solve for x
    x = 158,949,724,761.91/581,543.74
  6. Step 6: Final answer
    x = 273,323.77

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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.