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Finding the Fourth Proportional to 453,183.89, 625,400.94 and 249,243.71

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Solution

The fourth proportional to 453,183.89, 625,400.94 and 249,243.71 is: 343,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,183.89 : 625,400.94 = 249,243.71 : x
  2. Step 2: Convert to fraction form
    453,183.89/625,400.94 = 249,243.71/x
  3. Step 3: Cross multiply
    453,183.89x = 625,400.94 × 249,243.71
  4. Step 4: Simplify right side
    453,183.89x = 155,877,247,396.08
  5. Step 5: Solve for x
    x = 155,877,247,396.08/453,183.89
  6. Step 6: Final answer
    x = 343,960.26

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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.