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Finding the Fourth Proportional to 581,951.88, 872,928.90 and 161,228.88

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Solution

The fourth proportional to 581,951.88, 872,928.90 and 161,228.88 is: 241,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,951.88 : 872,928.90 = 161,228.88 : x
  2. Step 2: Convert to fraction form
    581,951.88/872,928.90 = 161,228.88/x
  3. Step 3: Cross multiply
    581,951.88x = 872,928.90 × 161,228.88
  4. Step 4: Simplify right side
    581,951.88x = 140,741,348,866.63
  5. Step 5: Solve for x
    x = 140,741,348,866.63/581,951.88
  6. Step 6: Final answer
    x = 241,843.62

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1.5x scale

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.