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Finding the Fourth Proportional to 343,686.36, 474,069.06 and 248,333.16

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Solution

The fourth proportional to 343,686.36, 474,069.06 and 248,333.16 is: 342,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,686.36 : 474,069.06 = 248,333.16 : x
  2. Step 2: Convert to fraction form
    343,686.36/474,069.06 = 248,333.16/x
  3. Step 3: Cross multiply
    343,686.36x = 474,069.06 × 248,333.16
  4. Step 4: Simplify right side
    343,686.36x = 117,727,067,728.03
  5. Step 5: Solve for x
    x = 117,727,067,728.03/343,686.36
  6. Step 6: Final answer
    x = 342,542.16

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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.