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Finding the Fourth Proportional to 376,443.30, 564,166.52 and 276,133.90

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Solution

The fourth proportional to 376,443.30, 564,166.52 and 276,133.90 is: 413,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,443.30 : 564,166.52 = 276,133.90 : x
  2. Step 2: Convert to fraction form
    376,443.30/564,166.52 = 276,133.90/x
  3. Step 3: Cross multiply
    376,443.30x = 564,166.52 × 276,133.90
  4. Step 4: Simplify right side
    376,443.30x = 155,785,501,417.03
  5. Step 5: Solve for x
    x = 155,785,501,417.03/376,443.30
  6. Step 6: Final answer
    x = 413,835.23

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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.