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Finding the Fourth Proportional to 382,484.04, 527,820.48 and 212,714.52

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Solution

The fourth proportional to 382,484.04, 527,820.48 and 212,714.52 is: 293,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,484.04 : 527,820.48 = 212,714.52 : x
  2. Step 2: Convert to fraction form
    382,484.04/527,820.48 = 212,714.52/x
  3. Step 3: Cross multiply
    382,484.04x = 527,820.48 × 212,714.52
  4. Step 4: Simplify right side
    382,484.04x = 112,275,080,049.37
  5. Step 5: Solve for x
    x = 112,275,080,049.37/382,484.04
  6. Step 6: Final answer
    x = 293,541.87

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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.