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Finding the Fourth Proportional to 377,291.34, 520,877.25 and 250,139.16

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Solution

The fourth proportional to 377,291.34, 520,877.25 and 250,139.16 is: 345,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,291.34 : 520,877.25 = 250,139.16 : x
  2. Step 2: Convert to fraction form
    377,291.34/520,877.25 = 250,139.16/x
  3. Step 3: Cross multiply
    377,291.34x = 520,877.25 × 250,139.16
  4. Step 4: Simplify right side
    377,291.34x = 130,291,797,778.11
  5. Step 5: Solve for x
    x = 130,291,797,778.11/377,291.34
  6. Step 6: Final answer
    x = 345,334.72

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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.