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Finding the Fourth Proportional to 370,139.04, 510,793.49 and 200,373.17

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Solution

The fourth proportional to 370,139.04, 510,793.49 and 200,373.17 is: 276,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,139.04 : 510,793.49 = 200,373.17 : x
  2. Step 2: Convert to fraction form
    370,139.04/510,793.49 = 200,373.17/x
  3. Step 3: Cross multiply
    370,139.04x = 510,793.49 × 200,373.17
  4. Step 4: Simplify right side
    370,139.04x = 102,349,308,753.63
  5. Step 5: Solve for x
    x = 102,349,308,753.63/370,139.04
  6. Step 6: Final answer
    x = 276,515.84

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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.