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Finding the Fourth Proportional to 298,311.66, 411,577.20 and 169,228.71

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Solution

The fourth proportional to 298,311.66, 411,577.20 and 169,228.71 is: 233,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,311.66 : 411,577.20 = 169,228.71 : x
  2. Step 2: Convert to fraction form
    298,311.66/411,577.20 = 169,228.71/x
  3. Step 3: Cross multiply
    298,311.66x = 411,577.20 × 169,228.71
  4. Step 4: Simplify right side
    298,311.66x = 69,650,678,621.41
  5. Step 5: Solve for x
    x = 69,650,678,621.41/298,311.66
  6. Step 6: Final answer
    x = 233,482.92

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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.