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Finding the Fourth Proportional to 544,146.70, 816,221.98 and 165,070.74

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Solution

The fourth proportional to 544,146.70, 816,221.98 and 165,070.74 is: 247,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,146.70 : 816,221.98 = 165,070.74 : x
  2. Step 2: Convert to fraction form
    544,146.70/816,221.98 = 165,070.74/x
  3. Step 3: Cross multiply
    544,146.70x = 816,221.98 × 165,070.74
  4. Step 4: Simplify right side
    544,146.70x = 134,734,366,242.87
  5. Step 5: Solve for x
    x = 134,734,366,242.87/544,146.70
  6. Step 6: Final answer
    x = 247,606.70

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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.