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Finding the Fourth Proportional to 275,482.40, 413,223.60 and 186,252.80

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Solution

The fourth proportional to 275,482.40, 413,223.60 and 186,252.80 is: 279,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,482.40 : 413,223.60 = 186,252.80 : x
  2. Step 2: Convert to fraction form
    275,482.40/413,223.60 = 186,252.80/x
  3. Step 3: Cross multiply
    275,482.40x = 413,223.60 × 186,252.80
  4. Step 4: Simplify right side
    275,482.40x = 76,964,052,526.08
  5. Step 5: Solve for x
    x = 76,964,052,526.08/275,482.40
  6. Step 6: Final answer
    x = 279,379.20

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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.