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Finding the Fourth Proportional to 652,881.64, 979,209.60 and 173,112.52

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Solution

The fourth proportional to 652,881.64, 979,209.60 and 173,112.52 is: 259,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,881.64 : 979,209.60 = 173,112.52 : x
  2. Step 2: Convert to fraction form
    652,881.64/979,209.60 = 173,112.52/x
  3. Step 3: Cross multiply
    652,881.64x = 979,209.60 × 173,112.52
  4. Step 4: Simplify right side
    652,881.64x = 169,513,441,464.19
  5. Step 5: Solve for x
    x = 169,513,441,464.19/652,881.64
  6. Step 6: Final answer
    x = 259,638.86

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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.