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Finding the Fourth Proportional to 581,508.64, 872,260.48 and 155,043.60

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Solution

The fourth proportional to 581,508.64, 872,260.48 and 155,043.60 is: 232,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,508.64 : 872,260.48 = 155,043.60 : x
  2. Step 2: Convert to fraction form
    581,508.64/872,260.48 = 155,043.60/x
  3. Step 3: Cross multiply
    581,508.64x = 872,260.48 × 155,043.60
  4. Step 4: Simplify right side
    581,508.64x = 135,238,404,956.93
  5. Step 5: Solve for x
    x = 135,238,404,956.93/581,508.64
  6. Step 6: Final answer
    x = 232,564.74

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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.