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Finding the Fourth Proportional to 366,040.80, 548,623.80 and 188,456.40

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Solution

The fourth proportional to 366,040.80, 548,623.80 and 188,456.40 is: 282,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,040.80 : 548,623.80 = 188,456.40 : x
  2. Step 2: Convert to fraction form
    366,040.80/548,623.80 = 188,456.40/x
  3. Step 3: Cross multiply
    366,040.80x = 548,623.80 × 188,456.40
  4. Step 4: Simplify right side
    366,040.80x = 103,391,666,302.32
  5. Step 5: Solve for x
    x = 103,391,666,302.32/366,040.80
  6. Step 6: Final answer
    x = 282,459.40

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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.