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Finding the Fourth Proportional to 244,655.90, 366,983.85 and 104,428.70

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Solution

The fourth proportional to 244,655.90, 366,983.85 and 104,428.70 is: 156,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,655.90 : 366,983.85 = 104,428.70 : x
  2. Step 2: Convert to fraction form
    244,655.90/366,983.85 = 104,428.70/x
  3. Step 3: Cross multiply
    244,655.90x = 366,983.85 × 104,428.70
  4. Step 4: Simplify right side
    244,655.90x = 38,323,646,376.50
  5. Step 5: Solve for x
    x = 38,323,646,376.50/244,655.90
  6. Step 6: Final answer
    x = 156,643.05

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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.