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Finding the Fourth Proportional to 374,479.62, 516,785.01 and 213,332.16

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Solution

The fourth proportional to 374,479.62, 516,785.01 and 213,332.16 is: 294,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,479.62 : 516,785.01 = 213,332.16 : x
  2. Step 2: Convert to fraction form
    374,479.62/516,785.01 = 213,332.16/x
  3. Step 3: Cross multiply
    374,479.62x = 516,785.01 × 213,332.16
  4. Step 4: Simplify right side
    374,479.62x = 110,246,862,438.92
  5. Step 5: Solve for x
    x = 110,246,862,438.92/374,479.62
  6. Step 6: Final answer
    x = 294,400.17

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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.