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Finding the Fourth Proportional to 382,055.81, 527,240.18 and 238,898.84

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Solution

The fourth proportional to 382,055.81, 527,240.18 and 238,898.84 is: 329,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,055.81 : 527,240.18 = 238,898.84 : x
  2. Step 2: Convert to fraction form
    382,055.81/527,240.18 = 238,898.84/x
  3. Step 3: Cross multiply
    382,055.81x = 527,240.18 × 238,898.84
  4. Step 4: Simplify right side
    382,055.81x = 125,957,065,364.44
  5. Step 5: Solve for x
    x = 125,957,065,364.44/382,055.81
  6. Step 6: Final answer
    x = 329,682.38

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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.