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Finding the Fourth Proportional to 370,133.39, 510,785.70 and 200,367.51

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Solution

The fourth proportional to 370,133.39, 510,785.70 and 200,367.51 is: 276,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,133.39 : 510,785.70 = 200,367.51 : x
  2. Step 2: Convert to fraction form
    370,133.39/510,785.70 = 200,367.51/x
  3. Step 3: Cross multiply
    370,133.39x = 510,785.70 × 200,367.51
  4. Step 4: Simplify right side
    370,133.39x = 102,344,858,852.61
  5. Step 5: Solve for x
    x = 102,344,858,852.61/370,133.39
  6. Step 6: Final answer
    x = 276,508.05

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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.