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Finding the Fourth Proportional to 368,591.94, 508,602.03 and 207,437.40

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Solution

The fourth proportional to 368,591.94, 508,602.03 and 207,437.40 is: 286,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,591.94 : 508,602.03 = 207,437.40 : x
  2. Step 2: Convert to fraction form
    368,591.94/508,602.03 = 207,437.40/x
  3. Step 3: Cross multiply
    368,591.94x = 508,602.03 × 207,437.40
  4. Step 4: Simplify right side
    368,591.94x = 105,503,082,737.92
  5. Step 5: Solve for x
    x = 105,503,082,737.92/368,591.94
  6. Step 6: Final answer
    x = 286,232.74

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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.