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Finding the Fourth Proportional to 368,591.98, 508,602.07 and 207,437.42

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Solution

The fourth proportional to 368,591.98, 508,602.07 and 207,437.42 is: 286,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,591.98 : 508,602.07 = 207,437.42 : x
  2. Step 2: Convert to fraction form
    368,591.98/508,602.07 = 207,437.42/x
  3. Step 3: Cross multiply
    368,591.98x = 508,602.07 × 207,437.42
  4. Step 4: Simplify right side
    368,591.98x = 105,503,098,664.45
  5. Step 5: Solve for x
    x = 105,503,098,664.45/368,591.98
  6. Step 6: Final answer
    x = 286,232.76

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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.