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Finding the Fourth Proportional to 866,820.84, 1,196,147.80 and 484,773.82

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Solution

The fourth proportional to 866,820.84, 1,196,147.80 and 484,773.82 is: 668,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,820.84 : 1,196,147.80 = 484,773.82 : x
  2. Step 2: Convert to fraction form
    866,820.84/1,196,147.80 = 484,773.82/x
  3. Step 3: Cross multiply
    866,820.84x = 1,196,147.80 × 484,773.82
  4. Step 4: Simplify right side
    866,820.84x = 579,861,138,290.60
  5. Step 5: Solve for x
    x = 579,861,138,290.60/866,820.84
  6. Step 6: Final answer
    x = 668,951.54

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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.