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Finding the Fourth Proportional to 366,845.70, 514,517.10 and 366,845.70

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Solution

The fourth proportional to 366,845.70, 514,517.10 and 366,845.70 is: 514,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,845.70 : 514,517.10 = 366,845.70 : x
  2. Step 2: Convert to fraction form
    366,845.70/514,517.10 = 366,845.70/x
  3. Step 3: Cross multiply
    366,845.70x = 514,517.10 × 366,845.70
  4. Step 4: Simplify right side
    366,845.70x = 188,748,385,711.47
  5. Step 5: Solve for x
    x = 188,748,385,711.47/366,845.70
  6. Step 6: Final answer
    x = 514,517.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.