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Finding the Fourth Proportional to 301,095.30, 451,643.13 and 76,472.58

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Solution

The fourth proportional to 301,095.30, 451,643.13 and 76,472.58 is: 114,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,095.30 : 451,643.13 = 76,472.58 : x
  2. Step 2: Convert to fraction form
    301,095.30/451,643.13 = 76,472.58/x
  3. Step 3: Cross multiply
    301,095.30x = 451,643.13 × 76,472.58
  4. Step 4: Simplify right side
    301,095.30x = 34,538,315,390.38
  5. Step 5: Solve for x
    x = 34,538,315,390.38/301,095.30
  6. Step 6: Final answer
    x = 114,708.92

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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.