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Finding the Fourth Proportional to 508,107.52, 762,260.10 and 153,103.96

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Solution

The fourth proportional to 508,107.52, 762,260.10 and 153,103.96 is: 229,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,107.52 : 762,260.10 = 153,103.96 : x
  2. Step 2: Convert to fraction form
    508,107.52/762,260.10 = 153,103.96/x
  3. Step 3: Cross multiply
    508,107.52x = 762,260.10 × 153,103.96
  4. Step 4: Simplify right side
    508,107.52x = 116,705,039,860.00
  5. Step 5: Solve for x
    x = 116,705,039,860.00/508,107.52
  6. Step 6: Final answer
    x = 229,685.72

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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.