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Finding the Fourth Proportional to 608,986.65, 912,167.78 and 504,010.65

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Solution

The fourth proportional to 608,986.65, 912,167.78 and 504,010.65 is: 754,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,986.65 : 912,167.78 = 504,010.65 : x
  2. Step 2: Convert to fraction form
    608,986.65/912,167.78 = 504,010.65/x
  3. Step 3: Cross multiply
    608,986.65x = 912,167.78 × 504,010.65
  4. Step 4: Simplify right side
    608,986.65x = 459,742,273,186.80
  5. Step 5: Solve for x
    x = 459,742,273,186.80/608,986.65
  6. Step 6: Final answer
    x = 754,929.97

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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.