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Finding the Fourth Proportional to 377,566.01, 521,041.17 and 205,484.65

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Solution

The fourth proportional to 377,566.01, 521,041.17 and 205,484.65 is: 283,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,566.01 : 521,041.17 = 205,484.65 : x
  2. Step 2: Convert to fraction form
    377,566.01/521,041.17 = 205,484.65/x
  3. Step 3: Cross multiply
    377,566.01x = 521,041.17 × 205,484.65
  4. Step 4: Simplify right side
    377,566.01x = 107,065,961,921.01
  5. Step 5: Solve for x
    x = 107,065,961,921.01/377,566.01
  6. Step 6: Final answer
    x = 283,568.86

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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.