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Finding the Fourth Proportional to 602,870.97, 830,815.10 and 591,791.71

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Solution

The fourth proportional to 602,870.97, 830,815.10 and 591,791.71 is: 815,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,870.97 : 830,815.10 = 591,791.71 : x
  2. Step 2: Convert to fraction form
    602,870.97/830,815.10 = 591,791.71/x
  3. Step 3: Cross multiply
    602,870.97x = 830,815.10 × 591,791.71
  4. Step 4: Simplify right side
    602,870.97x = 491,669,488,722.82
  5. Step 5: Solve for x
    x = 491,669,488,722.82/602,870.97
  6. Step 6: Final answer
    x = 815,546.80

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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.