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Finding the Fourth Proportional to 336,681, 464,629.50 and 185,787.72

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Solution

The fourth proportional to 336,681, 464,629.50 and 185,787.72 is: 256,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,681 : 464,629.50 = 185,787.72 : x
  2. Step 2: Convert to fraction form
    336,681/464,629.50 = 185,787.72/x
  3. Step 3: Cross multiply
    336,681x = 464,629.50 × 185,787.72
  4. Step 4: Simplify right side
    336,681x = 86,322,455,449.74
  5. Step 5: Solve for x
    x = 86,322,455,449.74/336,681
  6. Step 6: Final answer
    x = 256,392.42

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1.5x scale

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.