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Finding the Fourth Proportional to 508,203.18, 762,222.98 and 148,289.53

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Solution

The fourth proportional to 508,203.18, 762,222.98 and 148,289.53 is: 222,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,203.18 : 762,222.98 = 148,289.53 : x
  2. Step 2: Convert to fraction form
    508,203.18/762,222.98 = 148,289.53/x
  3. Step 3: Cross multiply
    508,203.18x = 762,222.98 × 148,289.53
  4. Step 4: Simplify right side
    508,203.18x = 113,029,687,830.12
  5. Step 5: Solve for x
    x = 113,029,687,830.12/508,203.18
  6. Step 6: Final answer
    x = 222,410.43

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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.