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Finding the Fourth Proportional to 468,240.16, 646,182.48 and 267,031.84

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Solution

The fourth proportional to 468,240.16, 646,182.48 and 267,031.84 is: 368,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,240.16 : 646,182.48 = 267,031.84 : x
  2. Step 2: Convert to fraction form
    468,240.16/646,182.48 = 267,031.84/x
  3. Step 3: Cross multiply
    468,240.16x = 646,182.48 × 267,031.84
  4. Step 4: Simplify right side
    468,240.16x = 172,551,296,610.16
  5. Step 5: Solve for x
    x = 172,551,296,610.16/468,240.16
  6. Step 6: Final answer
    x = 368,510.25

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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.