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Finding the Fourth Proportional to 366,864.20, 514,543 and 366,864.20

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Solution

The fourth proportional to 366,864.20, 514,543 and 366,864.20 is: 514,543

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,864.20 : 514,543 = 366,864.20 : x
  2. Step 2: Convert to fraction form
    366,864.20/514,543 = 366,864.20/x
  3. Step 3: Cross multiply
    366,864.20x = 514,543 × 366,864.20
  4. Step 4: Simplify right side
    366,864.20x = 188,767,406,060.60
  5. Step 5: Solve for x
    x = 188,767,406,060.60/366,864.20
  6. Step 6: Final answer
    x = 514,543

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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.