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Finding the Fourth Proportional to 866,798.52, 1,300,254.88 and 227,117.94

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Solution

The fourth proportional to 866,798.52, 1,300,254.88 and 227,117.94 is: 340,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,798.52 : 1,300,254.88 = 227,117.94 : x
  2. Step 2: Convert to fraction form
    866,798.52/1,300,254.88 = 227,117.94/x
  3. Step 3: Cross multiply
    866,798.52x = 1,300,254.88 × 227,117.94
  4. Step 4: Simplify right side
    866,798.52x = 295,311,209,820.55
  5. Step 5: Solve for x
    x = 295,311,209,820.55/866,798.52
  6. Step 6: Final answer
    x = 340,691.87

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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.