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Finding the Fourth Proportional to 468,460.90, 646,476.26 and 253,600.97

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Solution

The fourth proportional to 468,460.90, 646,476.26 and 253,600.97 is: 349,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,460.90 : 646,476.26 = 253,600.97 : x
  2. Step 2: Convert to fraction form
    468,460.90/646,476.26 = 253,600.97/x
  3. Step 3: Cross multiply
    468,460.90x = 646,476.26 × 253,600.97
  4. Step 4: Simplify right side
    468,460.90x = 163,947,007,568.98
  5. Step 5: Solve for x
    x = 163,947,007,568.98/468,460.90
  6. Step 6: Final answer
    x = 349,969.46

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1.5x scale

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.