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Finding the Fourth Proportional to 869,655.36, 1,199,616 and 546,854.40

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Solution

The fourth proportional to 869,655.36, 1,199,616 and 546,854.40 is: 754,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,655.36 : 1,199,616 = 546,854.40 : x
  2. Step 2: Convert to fraction form
    869,655.36/1,199,616 = 546,854.40/x
  3. Step 3: Cross multiply
    869,655.36x = 1,199,616 × 546,854.40
  4. Step 4: Simplify right side
    869,655.36x = 656,015,287,910.40
  5. Step 5: Solve for x
    x = 656,015,287,910.40/869,655.36
  6. Step 6: Final answer
    x = 754,339.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.