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Finding the Fourth Proportional to 376,283.40, 564,424.74 and 162,876.48

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Solution

The fourth proportional to 376,283.40, 564,424.74 and 162,876.48 is: 244,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,283.40 : 564,424.74 = 162,876.48 : x
  2. Step 2: Convert to fraction form
    376,283.40/564,424.74 = 162,876.48/x
  3. Step 3: Cross multiply
    376,283.40x = 564,424.74 × 162,876.48
  4. Step 4: Simplify right side
    376,283.40x = 91,931,514,876.12
  5. Step 5: Solve for x
    x = 91,931,514,876.12/376,283.40
  6. Step 6: Final answer
    x = 244,314.56

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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.