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Finding the Fourth Proportional to 377,034.22, 520,317.18 and 204,963.76

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Solution

The fourth proportional to 377,034.22, 520,317.18 and 204,963.76 is: 282,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,034.22 : 520,317.18 = 204,963.76 : x
  2. Step 2: Convert to fraction form
    377,034.22/520,317.18 = 204,963.76/x
  3. Step 3: Cross multiply
    377,034.22x = 520,317.18 × 204,963.76
  4. Step 4: Simplify right side
    377,034.22x = 106,646,165,605.40
  5. Step 5: Solve for x
    x = 106,646,165,605.40/377,034.22
  6. Step 6: Final answer
    x = 282,855.40

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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.