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Finding the Fourth Proportional to 295,346.10, 442,565.55 and 220,113.30

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Solution

The fourth proportional to 295,346.10, 442,565.55 and 220,113.30 is: 329,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,346.10 : 442,565.55 = 220,113.30 : x
  2. Step 2: Convert to fraction form
    295,346.10/442,565.55 = 220,113.30/x
  3. Step 3: Cross multiply
    295,346.10x = 442,565.55 × 220,113.30
  4. Step 4: Simplify right side
    295,346.10x = 97,414,563,676.82
  5. Step 5: Solve for x
    x = 97,414,563,676.82/295,346.10
  6. Step 6: Final answer
    x = 329,831.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.