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Finding the Fourth Proportional to 941,751.52, 1,403,755.66 and 866,168.80

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Solution

The fourth proportional to 941,751.52, 1,403,755.66 and 866,168.80 is: 1,291,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,751.52 : 1,403,755.66 = 866,168.80 : x
  2. Step 2: Convert to fraction form
    941,751.52/1,403,755.66 = 866,168.80/x
  3. Step 3: Cross multiply
    941,751.52x = 1,403,755.66 × 866,168.80
  4. Step 4: Simplify right side
    941,751.52x = 1,215,889,355,515.41
  5. Step 5: Solve for x
    x = 1,215,889,355,515.41/941,751.52
  6. Step 6: Final answer
    x = 1,291,093.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.