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Finding the Fourth Proportional to 398,248.52, 595,969.02 and 248,558.92

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Solution

The fourth proportional to 398,248.52, 595,969.02 and 248,558.92 is: 371,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,248.52 : 595,969.02 = 248,558.92 : x
  2. Step 2: Convert to fraction form
    398,248.52/595,969.02 = 248,558.92/x
  3. Step 3: Cross multiply
    398,248.52x = 595,969.02 × 248,558.92
  4. Step 4: Simplify right side
    398,248.52x = 148,133,415,964.66
  5. Step 5: Solve for x
    x = 148,133,415,964.66/398,248.52
  6. Step 6: Final answer
    x = 371,962.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.