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Finding the Fourth Proportional to 295,736.80, 443,605.20 and 162,565.60

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Solution

The fourth proportional to 295,736.80, 443,605.20 and 162,565.60 is: 243,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,736.80 : 443,605.20 = 162,565.60 : x
  2. Step 2: Convert to fraction form
    295,736.80/443,605.20 = 162,565.60/x
  3. Step 3: Cross multiply
    295,736.80x = 443,605.20 × 162,565.60
  4. Step 4: Simplify right side
    295,736.80x = 72,114,945,501.12
  5. Step 5: Solve for x
    x = 72,114,945,501.12/295,736.80
  6. Step 6: Final answer
    x = 243,848.40

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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.