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Finding the Fourth Proportional to 377,036.66, 520,319.45 and 204,964.41

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Solution

The fourth proportional to 377,036.66, 520,319.45 and 204,964.41 is: 282,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,036.66 : 520,319.45 = 204,964.41 : x
  2. Step 2: Convert to fraction form
    377,036.66/520,319.45 = 204,964.41/x
  3. Step 3: Cross multiply
    377,036.66x = 520,319.45 × 204,964.41
  4. Step 4: Simplify right side
    377,036.66x = 106,646,968,055.95
  5. Step 5: Solve for x
    x = 106,646,968,055.95/377,036.66
  6. Step 6: Final answer
    x = 282,855.70

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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.