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Finding the Fourth Proportional to 377,743.59, 521,129.97 and 224,751.20

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Solution

The fourth proportional to 377,743.59, 521,129.97 and 224,751.20 is: 310,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,743.59 : 521,129.97 = 224,751.20 : x
  2. Step 2: Convert to fraction form
    377,743.59/521,129.97 = 224,751.20/x
  3. Step 3: Cross multiply
    377,743.59x = 521,129.97 × 224,751.20
  4. Step 4: Simplify right side
    377,743.59x = 117,124,583,507.81
  5. Step 5: Solve for x
    x = 117,124,583,507.81/377,743.59
  6. Step 6: Final answer
    x = 310,063.72

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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.