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Finding the Fourth Proportional to 382,369.54, 527,676.06 and 210,295.04

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Solution

The fourth proportional to 382,369.54, 527,676.06 and 210,295.04 is: 290,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,369.54 : 527,676.06 = 210,295.04 : x
  2. Step 2: Convert to fraction form
    382,369.54/527,676.06 = 210,295.04/x
  3. Step 3: Cross multiply
    382,369.54x = 527,676.06 × 210,295.04
  4. Step 4: Simplify right side
    382,369.54x = 110,967,658,144.74
  5. Step 5: Solve for x
    x = 110,967,658,144.74/382,369.54
  6. Step 6: Final answer
    x = 290,210.51

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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.