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Finding the Fourth Proportional to 365,365.79, 548,545.67 and 205,554.18

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Solution

The fourth proportional to 365,365.79, 548,545.67 and 205,554.18 is: 308,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,365.79 : 548,545.67 = 205,554.18 : x
  2. Step 2: Convert to fraction form
    365,365.79/548,545.67 = 205,554.18/x
  3. Step 3: Cross multiply
    365,365.79x = 548,545.67 × 205,554.18
  4. Step 4: Simplify right side
    365,365.79x = 112,755,857,189.50
  5. Step 5: Solve for x
    x = 112,755,857,189.50/365,365.79
  6. Step 6: Final answer
    x = 308,610.88

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1.5x scale

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.