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Finding the Fourth Proportional to 508,109.52, 762,263.10 and 153,105.96

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Solution

The fourth proportional to 508,109.52, 762,263.10 and 153,105.96 is: 229,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,109.52 : 762,263.10 = 153,105.96 : x
  2. Step 2: Convert to fraction form
    508,109.52/762,263.10 = 153,105.96/x
  3. Step 3: Cross multiply
    508,109.52x = 762,263.10 × 153,105.96
  4. Step 4: Simplify right side
    508,109.52x = 116,707,023,698.08
  5. Step 5: Solve for x
    x = 116,707,023,698.08/508,109.52
  6. Step 6: Final answer
    x = 229,688.72

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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.