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Finding the Fourth Proportional to 581,801.28, 872,721.44 and 161,041.92

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Solution

The fourth proportional to 581,801.28, 872,721.44 and 161,041.92 is: 241,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,801.28 : 872,721.44 = 161,041.92 : x
  2. Step 2: Convert to fraction form
    581,801.28/872,721.44 = 161,041.92/x
  3. Step 3: Cross multiply
    581,801.28x = 872,721.44 × 161,041.92
  4. Step 4: Simplify right side
    581,801.28x = 140,544,736,322.77
  5. Step 5: Solve for x
    x = 140,544,736,322.77/581,801.28
  6. Step 6: Final answer
    x = 241,568.28

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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.