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Finding the Fourth Proportional to 468,411.25, 646,495.10 and 267,207.25

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Solution

The fourth proportional to 468,411.25, 646,495.10 and 267,207.25 is: 368,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,411.25 : 646,495.10 = 267,207.25 : x
  2. Step 2: Convert to fraction form
    468,411.25/646,495.10 = 267,207.25/x
  3. Step 3: Cross multiply
    468,411.25x = 646,495.10 × 267,207.25
  4. Step 4: Simplify right side
    468,411.25x = 172,748,177,809.48
  5. Step 5: Solve for x
    x = 172,748,177,809.48/468,411.25
  6. Step 6: Final answer
    x = 368,795.96

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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.