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Finding the Fourth Proportional to 295,807.57, 408,246.89 and 171,655.90

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Solution

The fourth proportional to 295,807.57, 408,246.89 and 171,655.90 is: 236,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,807.57 : 408,246.89 = 171,655.90 : x
  2. Step 2: Convert to fraction form
    295,807.57/408,246.89 = 171,655.90/x
  3. Step 3: Cross multiply
    295,807.57x = 408,246.89 × 171,655.90
  4. Step 4: Simplify right side
    295,807.57x = 70,077,985,446.25
  5. Step 5: Solve for x
    x = 70,077,985,446.25/295,807.57
  6. Step 6: Final answer
    x = 236,903.96

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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.