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Finding the Fourth Proportional to 296,560.85, 444,629.86 and 138,703.19

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Solution

The fourth proportional to 296,560.85, 444,629.86 and 138,703.19 is: 207,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,560.85 : 444,629.86 = 138,703.19 : x
  2. Step 2: Convert to fraction form
    296,560.85/444,629.86 = 138,703.19/x
  3. Step 3: Cross multiply
    296,560.85x = 444,629.86 × 138,703.19
  4. Step 4: Simplify right side
    296,560.85x = 61,671,577,381.35
  5. Step 5: Solve for x
    x = 61,671,577,381.35/296,560.85
  6. Step 6: Final answer
    x = 207,955.90

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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.