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Finding the Fourth Proportional to 508,476.96, 762,720.72 and 153,493.92

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Solution

The fourth proportional to 508,476.96, 762,720.72 and 153,493.92 is: 230,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,476.96 : 762,720.72 = 153,493.92 : x
  2. Step 2: Convert to fraction form
    508,476.96/762,720.72 = 153,493.92/x
  3. Step 3: Cross multiply
    508,476.96x = 762,720.72 × 153,493.92
  4. Step 4: Simplify right side
    508,476.96x = 117,072,993,178.02
  5. Step 5: Solve for x
    x = 117,072,993,178.02/508,476.96
  6. Step 6: Final answer
    x = 230,242.47

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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.