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Finding the Fourth Proportional to 266,465.28, 399,500.28 and 161,259.24

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Solution

The fourth proportional to 266,465.28, 399,500.28 and 161,259.24 is: 241,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,465.28 : 399,500.28 = 161,259.24 : x
  2. Step 2: Convert to fraction form
    266,465.28/399,500.28 = 161,259.24/x
  3. Step 3: Cross multiply
    266,465.28x = 399,500.28 × 161,259.24
  4. Step 4: Simplify right side
    266,465.28x = 64,423,111,532.59
  5. Step 5: Solve for x
    x = 64,423,111,532.59/266,465.28
  6. Step 6: Final answer
    x = 241,769.25

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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.