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Finding the Fourth Proportional to 468,365.13, 646,343.37 and 253,504.85

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Solution

The fourth proportional to 468,365.13, 646,343.37 and 253,504.85 is: 349,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,365.13 : 646,343.37 = 253,504.85 : x
  2. Step 2: Convert to fraction form
    468,365.13/646,343.37 = 253,504.85/x
  3. Step 3: Cross multiply
    468,365.13x = 646,343.37 × 253,504.85
  4. Step 4: Simplify right side
    468,365.13x = 163,851,175,828.63
  5. Step 5: Solve for x
    x = 163,851,175,828.63/468,365.13
  6. Step 6: Final answer
    x = 349,836.41

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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.