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Finding the Fourth Proportional to 303,765.95, 419,200.90 and 167,799.35

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Solution

The fourth proportional to 303,765.95, 419,200.90 and 167,799.35 is: 231,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,765.95 : 419,200.90 = 167,799.35 : x
  2. Step 2: Convert to fraction form
    303,765.95/419,200.90 = 167,799.35/x
  3. Step 3: Cross multiply
    303,765.95x = 419,200.90 × 167,799.35
  4. Step 4: Simplify right side
    303,765.95x = 70,341,636,023.91
  5. Step 5: Solve for x
    x = 70,341,636,023.91/303,765.95
  6. Step 6: Final answer
    x = 231,565.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.