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Finding the Fourth Proportional to 554,842.57, 766,211.67 and 524,616.50

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Solution

The fourth proportional to 554,842.57, 766,211.67 and 524,616.50 is: 724,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,842.57 : 766,211.67 = 524,616.50 : x
  2. Step 2: Convert to fraction form
    554,842.57/766,211.67 = 524,616.50/x
  3. Step 3: Cross multiply
    554,842.57x = 766,211.67 × 524,616.50
  4. Step 4: Simplify right side
    554,842.57x = 401,967,284,574.56
  5. Step 5: Solve for x
    x = 401,967,284,574.56/554,842.57
  6. Step 6: Final answer
    x = 724,470.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.