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Finding the Fourth Proportional to 468,168.93, 646,068.51 and 253,304.28

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Solution

The fourth proportional to 468,168.93, 646,068.51 and 253,304.28 is: 349,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,168.93 : 646,068.51 = 253,304.28 : x
  2. Step 2: Convert to fraction form
    468,168.93/646,068.51 = 253,304.28/x
  3. Step 3: Cross multiply
    468,168.93x = 646,068.51 × 253,304.28
  4. Step 4: Simplify right side
    468,168.93x = 163,651,918,756.22
  5. Step 5: Solve for x
    x = 163,651,918,756.22/468,168.93
  6. Step 6: Final answer
    x = 349,557.41

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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.