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Finding the Fourth Proportional to 295,078.10, 442,617.15 and 200,599.70

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Solution

The fourth proportional to 295,078.10, 442,617.15 and 200,599.70 is: 300,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,078.10 : 442,617.15 = 200,599.70 : x
  2. Step 2: Convert to fraction form
    295,078.10/442,617.15 = 200,599.70/x
  3. Step 3: Cross multiply
    295,078.10x = 442,617.15 × 200,599.70
  4. Step 4: Simplify right side
    295,078.10x = 88,788,867,504.86
  5. Step 5: Solve for x
    x = 88,788,867,504.86/295,078.10
  6. Step 6: Final answer
    x = 300,899.55

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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.