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Finding the Fourth Proportional to 302,774.88, 454,215.76 and 125,182.38

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Solution

The fourth proportional to 302,774.88, 454,215.76 and 125,182.38 is: 187,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,774.88 : 454,215.76 = 125,182.38 : x
  2. Step 2: Convert to fraction form
    302,774.88/454,215.76 = 125,182.38/x
  3. Step 3: Cross multiply
    302,774.88x = 454,215.76 × 125,182.38
  4. Step 4: Simplify right side
    302,774.88x = 56,859,809,870.31
  5. Step 5: Solve for x
    x = 56,859,809,870.31/302,774.88
  6. Step 6: Final answer
    x = 187,795.66

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1.5x scale

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.