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Finding the Fourth Proportional to 256,924.52, 384,888.08 and 189,333.90

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Solution

The fourth proportional to 256,924.52, 384,888.08 and 189,333.90 is: 283,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,924.52 : 384,888.08 = 189,333.90 : x
  2. Step 2: Convert to fraction form
    256,924.52/384,888.08 = 189,333.90/x
  3. Step 3: Cross multiply
    256,924.52x = 384,888.08 × 189,333.90
  4. Step 4: Simplify right side
    256,924.52x = 72,872,361,249.91
  5. Step 5: Solve for x
    x = 72,872,361,249.91/256,924.52
  6. Step 6: Final answer
    x = 283,633.35

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1.5x scale

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.