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Finding the Fourth Proportional to 508,454.88, 762,662.34 and 153,459.24

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Solution

The fourth proportional to 508,454.88, 762,662.34 and 153,459.24 is: 230,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,454.88 : 762,662.34 = 153,459.24 : x
  2. Step 2: Convert to fraction form
    508,454.88/762,662.34 = 153,459.24/x
  3. Step 3: Cross multiply
    508,454.88x = 762,662.34 × 153,459.24
  4. Step 4: Simplify right side
    508,454.88x = 117,037,583,073.02
  5. Step 5: Solve for x
    x = 117,037,583,073.02/508,454.88
  6. Step 6: Final answer
    x = 230,182.83

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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.