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Finding the Fourth Proportional to 295,999.58, 408,527.66 and 220,023.20

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Solution

The fourth proportional to 295,999.58, 408,527.66 and 220,023.20 is: 303,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,999.58 : 408,527.66 = 220,023.20 : x
  2. Step 2: Convert to fraction form
    295,999.58/408,527.66 = 220,023.20/x
  3. Step 3: Cross multiply
    295,999.58x = 408,527.66 × 220,023.20
  4. Step 4: Simplify right side
    295,999.58x = 89,885,563,041.71
  5. Step 5: Solve for x
    x = 89,885,563,041.71/295,999.58
  6. Step 6: Final answer
    x = 303,667.87

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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.