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Finding the Fourth Proportional to 334,903.97, 502,210.38 and 121,600.85

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Solution

The fourth proportional to 334,903.97, 502,210.38 and 121,600.85 is: 182,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,903.97 : 502,210.38 = 121,600.85 : x
  2. Step 2: Convert to fraction form
    334,903.97/502,210.38 = 121,600.85/x
  3. Step 3: Cross multiply
    334,903.97x = 502,210.38 × 121,600.85
  4. Step 4: Simplify right side
    334,903.97x = 61,069,206,347.77
  5. Step 5: Solve for x
    x = 61,069,206,347.77/334,903.97
  6. Step 6: Final answer
    x = 182,348.41

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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.