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Finding the Fourth Proportional to 453,055.72, 625,232.96 and 249,122.18

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Solution

The fourth proportional to 453,055.72, 625,232.96 and 249,122.18 is: 343,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,055.72 : 625,232.96 = 249,122.18 : x
  2. Step 2: Convert to fraction form
    453,055.72/625,232.96 = 249,122.18/x
  3. Step 3: Cross multiply
    453,055.72x = 625,232.96 × 249,122.18
  4. Step 4: Simplify right side
    453,055.72x = 155,759,398,003.05
  5. Step 5: Solve for x
    x = 155,759,398,003.05/453,055.72
  6. Step 6: Final answer
    x = 343,797.44

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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.