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Finding the Fourth Proportional to 572,701.98, 791,177.58 and 376,930.11

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Solution

The fourth proportional to 572,701.98, 791,177.58 and 376,930.11 is: 520,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,701.98 : 791,177.58 = 376,930.11 : x
  2. Step 2: Convert to fraction form
    572,701.98/791,177.58 = 376,930.11/x
  3. Step 3: Cross multiply
    572,701.98x = 791,177.58 × 376,930.11
  4. Step 4: Simplify right side
    572,701.98x = 298,218,652,258.93
  5. Step 5: Solve for x
    x = 298,218,652,258.93/572,701.98
  6. Step 6: Final answer
    x = 520,722.23

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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.