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Finding the Fourth Proportional to 508,164.03, 762,245.54 and 153,178.05

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Solution

The fourth proportional to 508,164.03, 762,245.54 and 153,178.05 is: 229,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,164.03 : 762,245.54 = 153,178.05 : x
  2. Step 2: Convert to fraction form
    508,164.03/762,245.54 = 153,178.05/x
  3. Step 3: Cross multiply
    508,164.03x = 762,245.54 × 153,178.05
  4. Step 4: Simplify right side
    508,164.03x = 116,759,288,105.35
  5. Step 5: Solve for x
    x = 116,759,288,105.35/508,164.03
  6. Step 6: Final answer
    x = 229,766.93

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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.