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Finding the Fourth Proportional to 605,082.10, 907,623.15 and 576,051.70

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Solution

The fourth proportional to 605,082.10, 907,623.15 and 576,051.70 is: 864,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,082.10 : 907,623.15 = 576,051.70 : x
  2. Step 2: Convert to fraction form
    605,082.10/907,623.15 = 576,051.70/x
  3. Step 3: Cross multiply
    605,082.10x = 907,623.15 × 576,051.70
  4. Step 4: Simplify right side
    605,082.10x = 522,837,858,516.86
  5. Step 5: Solve for x
    x = 522,837,858,516.86/605,082.10
  6. Step 6: Final answer
    x = 864,077.55

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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.