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Finding the Fourth Proportional to 866,600, 1,195,897.92 and 484,623.20

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Solution

The fourth proportional to 866,600, 1,195,897.92 and 484,623.20 is: 668,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,600 : 1,195,897.92 = 484,623.20 : x
  2. Step 2: Convert to fraction form
    866,600/1,195,897.92 = 484,623.20/x
  3. Step 3: Cross multiply
    866,600x = 1,195,897.92 × 484,623.20
  4. Step 4: Simplify right side
    866,600x = 579,559,876,863.74
  5. Step 5: Solve for x
    x = 579,559,876,863.74/866,600
  6. Step 6: Final answer
    x = 668,774.38

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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.