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Finding the Fourth Proportional to 368,591.88, 508,682.52 and 207,462.36

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Solution

The fourth proportional to 368,591.88, 508,682.52 and 207,462.36 is: 286,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,591.88 : 508,682.52 = 207,462.36 : x
  2. Step 2: Convert to fraction form
    368,591.88/508,682.52 = 207,462.36/x
  3. Step 3: Cross multiply
    368,591.88x = 508,682.52 × 207,462.36
  4. Step 4: Simplify right side
    368,591.88x = 105,532,476,089.95
  5. Step 5: Solve for x
    x = 105,532,476,089.95/368,591.88
  6. Step 6: Final answer
    x = 286,312.54

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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.