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Finding the Fourth Proportional to 646,082.01, 969,126.66 and 575,332.56

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Solution

The fourth proportional to 646,082.01, 969,126.66 and 575,332.56 is: 863,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,082.01 : 969,126.66 = 575,332.56 : x
  2. Step 2: Convert to fraction form
    646,082.01/969,126.66 = 575,332.56/x
  3. Step 3: Cross multiply
    646,082.01x = 969,126.66 × 575,332.56
  4. Step 4: Simplify right side
    646,082.01x = 557,570,122,262.05
  5. Step 5: Solve for x
    x = 557,570,122,262.05/646,082.01
  6. Step 6: Final answer
    x = 863,002.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.