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Finding the Fourth Proportional to 366,876.30, 514,807.80 and 366,876.30

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Solution

The fourth proportional to 366,876.30, 514,807.80 and 366,876.30 is: 514,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,876.30 : 514,807.80 = 366,876.30 : x
  2. Step 2: Convert to fraction form
    366,876.30/514,807.80 = 366,876.30/x
  3. Step 3: Cross multiply
    366,876.30x = 514,807.80 × 366,876.30
  4. Step 4: Simplify right side
    366,876.30x = 188,870,780,875.14
  5. Step 5: Solve for x
    x = 188,870,780,875.14/366,876.30
  6. Step 6: Final answer
    x = 514,807.80

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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.