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Finding the Fourth Proportional to 277,210.20, 415,037.70 and 269,434.20

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Solution

The fourth proportional to 277,210.20, 415,037.70 and 269,434.20 is: 403,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,210.20 : 415,037.70 = 269,434.20 : x
  2. Step 2: Convert to fraction form
    277,210.20/415,037.70 = 269,434.20/x
  3. Step 3: Cross multiply
    277,210.20x = 415,037.70 × 269,434.20
  4. Step 4: Simplify right side
    277,210.20x = 111,825,350,669.34
  5. Step 5: Solve for x
    x = 111,825,350,669.34/277,210.20
  6. Step 6: Final answer
    x = 403,395.51

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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.