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Finding the Fourth Proportional to 558,894.93, 771,381.30 and 317,200.14

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Solution

The fourth proportional to 558,894.93, 771,381.30 and 317,200.14 is: 437,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,894.93 : 771,381.30 = 317,200.14 : x
  2. Step 2: Convert to fraction form
    558,894.93/771,381.30 = 317,200.14/x
  3. Step 3: Cross multiply
    558,894.93x = 771,381.30 × 317,200.14
  4. Step 4: Simplify right side
    558,894.93x = 244,682,256,353.38
  5. Step 5: Solve for x
    x = 244,682,256,353.38/558,894.93
  6. Step 6: Final answer
    x = 437,796.52

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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.