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Finding the Fourth Proportional to 834,698.97, 1,151,884.62 and 472,115.03

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Solution

The fourth proportional to 834,698.97, 1,151,884.62 and 472,115.03 is: 651,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,698.97 : 1,151,884.62 = 472,115.03 : x
  2. Step 2: Convert to fraction form
    834,698.97/1,151,884.62 = 472,115.03/x
  3. Step 3: Cross multiply
    834,698.97x = 1,151,884.62 × 472,115.03
  4. Step 4: Simplify right side
    834,698.97x = 543,822,036,168.42
  5. Step 5: Solve for x
    x = 543,822,036,168.42/834,698.97
  6. Step 6: Final answer
    x = 651,518.76

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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.