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Finding the Fourth Proportional to 370,809.80, 555,642.20 and 250,394.83

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Solution

The fourth proportional to 370,809.80, 555,642.20 and 250,394.83 is: 375,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,809.80 : 555,642.20 = 250,394.83 : x
  2. Step 2: Convert to fraction form
    370,809.80/555,642.20 = 250,394.83/x
  3. Step 3: Cross multiply
    370,809.80x = 555,642.20 × 250,394.83
  4. Step 4: Simplify right side
    370,809.80x = 139,129,934,209.83
  5. Step 5: Solve for x
    x = 139,129,934,209.83/370,809.80
  6. Step 6: Final answer
    x = 375,205.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.