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Finding the Fourth Proportional to 972,296.10, 1,458,444.15 and 866,007.90

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Solution

The fourth proportional to 972,296.10, 1,458,444.15 and 866,007.90 is: 1,299,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,296.10 : 1,458,444.15 = 866,007.90 : x
  2. Step 2: Convert to fraction form
    972,296.10/1,458,444.15 = 866,007.90/x
  3. Step 3: Cross multiply
    972,296.10x = 1,458,444.15 × 866,007.90
  4. Step 4: Simplify right side
    972,296.10x = 1,263,024,155,608.78
  5. Step 5: Solve for x
    x = 1,263,024,155,608.78/972,296.10
  6. Step 6: Final answer
    x = 1,299,011.85

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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.