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Finding the Fourth Proportional to 583,412, 875,265.60 and 162,687.92

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Solution

The fourth proportional to 583,412, 875,265.60 and 162,687.92 is: 244,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,412 : 875,265.60 = 162,687.92 : x
  2. Step 2: Convert to fraction form
    583,412/875,265.60 = 162,687.92/x
  3. Step 3: Cross multiply
    583,412x = 875,265.60 × 162,687.92
  4. Step 4: Simplify right side
    583,412x = 142,395,139,911.55
  5. Step 5: Solve for x
    x = 142,395,139,911.55/583,412
  6. Step 6: Final answer
    x = 244,073.04

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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.