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Finding the Fourth Proportional to 377,410.41, 520,262.87 and 249,864.57

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Solution

The fourth proportional to 377,410.41, 520,262.87 and 249,864.57 is: 344,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,410.41 : 520,262.87 = 249,864.57 : x
  2. Step 2: Convert to fraction form
    377,410.41/520,262.87 = 249,864.57/x
  3. Step 3: Cross multiply
    377,410.41x = 520,262.87 × 249,864.57
  4. Step 4: Simplify right side
    377,410.41x = 129,995,257,050.19
  5. Step 5: Solve for x
    x = 129,995,257,050.19/377,410.41
  6. Step 6: Final answer
    x = 344,440.04

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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.