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Finding the Fourth Proportional to 655,630.47, 983,620.71 and 234,948.87

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Solution

The fourth proportional to 655,630.47, 983,620.71 and 234,948.87 is: 352,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,630.47 : 983,620.71 = 234,948.87 : x
  2. Step 2: Convert to fraction form
    655,630.47/983,620.71 = 234,948.87/x
  3. Step 3: Cross multiply
    655,630.47x = 983,620.71 × 234,948.87
  4. Step 4: Simplify right side
    655,630.47x = 231,100,574,323.10
  5. Step 5: Solve for x
    x = 231,100,574,323.10/655,630.47
  6. Step 6: Final answer
    x = 352,486.02

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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.