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Finding the Fourth Proportional to 866,295.87, 1,299,532.91 and 327,006.37

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Solution

The fourth proportional to 866,295.87, 1,299,532.91 and 327,006.37 is: 490,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,295.87 : 1,299,532.91 = 327,006.37 : x
  2. Step 2: Convert to fraction form
    866,295.87/1,299,532.91 = 327,006.37/x
  3. Step 3: Cross multiply
    866,295.87x = 1,299,532.91 × 327,006.37
  4. Step 4: Simplify right side
    866,295.87x = 424,955,539,594.64
  5. Step 5: Solve for x
    x = 424,955,539,594.64/866,295.87
  6. Step 6: Final answer
    x = 490,543.19

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1.5x scale

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.