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Finding the Fourth Proportional to 376,456.83, 564,338.70 and 163,090.68

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Solution

The fourth proportional to 376,456.83, 564,338.70 and 163,090.68 is: 244,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,456.83 : 564,338.70 = 163,090.68 : x
  2. Step 2: Convert to fraction form
    376,456.83/564,338.70 = 163,090.68/x
  3. Step 3: Cross multiply
    376,456.83x = 564,338.70 × 163,090.68
  4. Step 4: Simplify right side
    376,456.83x = 92,038,382,333.32
  5. Step 5: Solve for x
    x = 92,038,382,333.32/376,456.83
  6. Step 6: Final answer
    x = 244,485.89

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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.