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Finding the Fourth Proportional to 866,640.69, 1,196,264.76 and 595,605.78

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Solution

The fourth proportional to 866,640.69, 1,196,264.76 and 595,605.78 is: 822,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,640.69 : 1,196,264.76 = 595,605.78 : x
  2. Step 2: Convert to fraction form
    866,640.69/1,196,264.76 = 595,605.78/x
  3. Step 3: Cross multiply
    866,640.69x = 1,196,264.76 × 595,605.78
  4. Step 4: Simplify right side
    866,640.69x = 712,502,205,466.31
  5. Step 5: Solve for x
    x = 712,502,205,466.31/866,640.69
  6. Step 6: Final answer
    x = 822,142.57

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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.