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Finding the Fourth Proportional to 377,062.10, 520,349.07 and 204,980.39

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Solution

The fourth proportional to 377,062.10, 520,349.07 and 204,980.39 is: 282,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,062.10 : 520,349.07 = 204,980.39 : x
  2. Step 2: Convert to fraction form
    377,062.10/520,349.07 = 204,980.39/x
  3. Step 3: Cross multiply
    377,062.10x = 520,349.07 × 204,980.39
  4. Step 4: Simplify right side
    377,062.10x = 106,661,355,304.74
  5. Step 5: Solve for x
    x = 106,661,355,304.74/377,062.10
  6. Step 6: Final answer
    x = 282,874.78

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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.