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Finding the Fourth Proportional to 370,053.16, 510,685.70 and 226,785.49

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Solution

The fourth proportional to 370,053.16, 510,685.70 and 226,785.49 is: 312,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,053.16 : 510,685.70 = 226,785.49 : x
  2. Step 2: Convert to fraction form
    370,053.16/510,685.70 = 226,785.49/x
  3. Step 3: Cross multiply
    370,053.16x = 510,685.70 × 226,785.49
  4. Step 4: Simplify right side
    370,053.16x = 115,816,104,299.85
  5. Step 5: Solve for x
    x = 115,816,104,299.85/370,053.16
  6. Step 6: Final answer
    x = 312,971.53

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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.