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Finding the Fourth Proportional to 866,306, 1,195,441.56 and 503,704.12

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Solution

The fourth proportional to 866,306, 1,195,441.56 and 503,704.12 is: 695,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,306 : 1,195,441.56 = 503,704.12 : x
  2. Step 2: Convert to fraction form
    866,306/1,195,441.56 = 503,704.12/x
  3. Step 3: Cross multiply
    866,306x = 1,195,441.56 × 503,704.12
  4. Step 4: Simplify right side
    866,306x = 602,148,838,991.23
  5. Step 5: Solve for x
    x = 602,148,838,991.23/866,306
  6. Step 6: Final answer
    x = 695,076.38

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Double scale
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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.