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Finding the Fourth Proportional to 398,185.77, 595,875.33 and 248,496.42

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Solution

The fourth proportional to 398,185.77, 595,875.33 and 248,496.42 is: 371,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,185.77 : 595,875.33 = 248,496.42 : x
  2. Step 2: Convert to fraction form
    398,185.77/595,875.33 = 248,496.42/x
  3. Step 3: Cross multiply
    398,185.77x = 595,875.33 × 248,496.42
  4. Step 4: Simplify right side
    398,185.77x = 148,072,886,271.32
  5. Step 5: Solve for x
    x = 148,072,886,271.32/398,185.77
  6. Step 6: Final answer
    x = 371,868.85

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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.