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Finding the Fourth Proportional to 295,655.82, 408,004.88 and 159,689.70

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Solution

The fourth proportional to 295,655.82, 408,004.88 and 159,689.70 is: 220,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,655.82 : 408,004.88 = 159,689.70 : x
  2. Step 2: Convert to fraction form
    295,655.82/408,004.88 = 159,689.70/x
  3. Step 3: Cross multiply
    295,655.82x = 408,004.88 × 159,689.70
  4. Step 4: Simplify right side
    295,655.82x = 65,154,176,885.74
  5. Step 5: Solve for x
    x = 65,154,176,885.74/295,655.82
  6. Step 6: Final answer
    x = 220,371.70

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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.