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Finding the Fourth Proportional to 376,045.02, 564,239.76 and 162,878.13

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Solution

The fourth proportional to 376,045.02, 564,239.76 and 162,878.13 is: 244,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,045.02 : 564,239.76 = 162,878.13 : x
  2. Step 2: Convert to fraction form
    376,045.02/564,239.76 = 162,878.13/x
  3. Step 3: Cross multiply
    376,045.02x = 564,239.76 × 162,878.13
  4. Step 4: Simplify right side
    376,045.02x = 91,902,316,369.66
  5. Step 5: Solve for x
    x = 91,902,316,369.66/376,045.02
  6. Step 6: Final answer
    x = 244,391.79

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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.