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Finding the Fourth Proportional to 294,189.60, 441,134.64 and 144,441.12

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Solution

The fourth proportional to 294,189.60, 441,134.64 and 144,441.12 is: 216,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,189.60 : 441,134.64 = 144,441.12 : x
  2. Step 2: Convert to fraction form
    294,189.60/441,134.64 = 144,441.12/x
  3. Step 3: Cross multiply
    294,189.60x = 441,134.64 × 144,441.12
  4. Step 4: Simplify right side
    294,189.60x = 63,717,981,472.40
  5. Step 5: Solve for x
    x = 63,717,981,472.40/294,189.60
  6. Step 6: Final answer
    x = 216,588.15

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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.