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Finding the Fourth Proportional to 346,235.64, 518,956.56 and 158,853.48

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Solution

The fourth proportional to 346,235.64, 518,956.56 and 158,853.48 is: 238,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,235.64 : 518,956.56 = 158,853.48 : x
  2. Step 2: Convert to fraction form
    346,235.64/518,956.56 = 158,853.48/x
  3. Step 3: Cross multiply
    346,235.64x = 518,956.56 × 158,853.48
  4. Step 4: Simplify right side
    346,235.64x = 82,438,055,524.83
  5. Step 5: Solve for x
    x = 82,438,055,524.83/346,235.64
  6. Step 6: Final answer
    x = 238,098.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.