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Finding the Fourth Proportional to 335,859.13, 463,410.54 and 281,630.64

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Solution

The fourth proportional to 335,859.13, 463,410.54 and 281,630.64 is: 388,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,859.13 : 463,410.54 = 281,630.64 : x
  2. Step 2: Convert to fraction form
    335,859.13/463,410.54 = 281,630.64/x
  3. Step 3: Cross multiply
    335,859.13x = 463,410.54 × 281,630.64
  4. Step 4: Simplify right side
    335,859.13x = 130,510,606,886.14
  5. Step 5: Solve for x
    x = 130,510,606,886.14/335,859.13
  6. Step 6: Final answer
    x = 388,587.35

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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.