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Finding the Fourth Proportional to 366,871.65, 514,320.15 and 366,871.65

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Solution

The fourth proportional to 366,871.65, 514,320.15 and 366,871.65 is: 514,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,871.65 : 514,320.15 = 366,871.65 : x
  2. Step 2: Convert to fraction form
    366,871.65/514,320.15 = 366,871.65/x
  3. Step 3: Cross multiply
    366,871.65x = 514,320.15 × 366,871.65
  4. Step 4: Simplify right side
    366,871.65x = 188,689,482,058.75
  5. Step 5: Solve for x
    x = 188,689,482,058.75/366,871.65
  6. Step 6: Final answer
    x = 514,320.15

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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.