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Finding the Fourth Proportional to 450,708.38, 675,090.60 and 424,210.11

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Solution

The fourth proportional to 450,708.38, 675,090.60 and 424,210.11 is: 635,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,708.38 : 675,090.60 = 424,210.11 : x
  2. Step 2: Convert to fraction form
    450,708.38/675,090.60 = 424,210.11/x
  3. Step 3: Cross multiply
    450,708.38x = 675,090.60 × 424,210.11
  4. Step 4: Simplify right side
    450,708.38x = 286,380,257,685.97
  5. Step 5: Solve for x
    x = 286,380,257,685.97/450,708.38
  6. Step 6: Final answer
    x = 635,400.34

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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.