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Finding the Fourth Proportional to 453,074.37, 625,244.99 and 249,138.47

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Solution

The fourth proportional to 453,074.37, 625,244.99 and 249,138.47 is: 343,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,074.37 : 625,244.99 = 249,138.47 : x
  2. Step 2: Convert to fraction form
    453,074.37/625,244.99 = 249,138.47/x
  3. Step 3: Cross multiply
    453,074.37x = 625,244.99 × 249,138.47
  4. Step 4: Simplify right side
    453,074.37x = 155,772,575,811.85
  5. Step 5: Solve for x
    x = 155,772,575,811.85/453,074.37
  6. Step 6: Final answer
    x = 343,812.38

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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.