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Finding the Fourth Proportional to 348,189.13, 480,710.70 and 227,532.34

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Solution

The fourth proportional to 348,189.13, 480,710.70 and 227,532.34 is: 314,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,189.13 : 480,710.70 = 227,532.34 : x
  2. Step 2: Convert to fraction form
    348,189.13/480,710.70 = 227,532.34/x
  3. Step 3: Cross multiply
    348,189.13x = 480,710.70 × 227,532.34
  4. Step 4: Simplify right side
    348,189.13x = 109,377,230,434.04
  5. Step 5: Solve for x
    x = 109,377,230,434.04/348,189.13
  6. Step 6: Final answer
    x = 314,131.66

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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.