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Finding the Fourth Proportional to 515,526.27, 773,061.06 and 275,582.05

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Solution

The fourth proportional to 515,526.27, 773,061.06 and 275,582.05 is: 413,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,526.27 : 773,061.06 = 275,582.05 : x
  2. Step 2: Convert to fraction form
    515,526.27/773,061.06 = 275,582.05/x
  3. Step 3: Cross multiply
    515,526.27x = 773,061.06 × 275,582.05
  4. Step 4: Simplify right side
    515,526.27x = 213,041,751,689.97
  5. Step 5: Solve for x
    x = 213,041,751,689.97/515,526.27
  6. Step 6: Final answer
    x = 413,251.01

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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.