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Finding the Fourth Proportional to 411,843.04, 568,230.88 and 282,820.32

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Solution

The fourth proportional to 411,843.04, 568,230.88 and 282,820.32 is: 390,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,843.04 : 568,230.88 = 282,820.32 : x
  2. Step 2: Convert to fraction form
    411,843.04/568,230.88 = 282,820.32/x
  3. Step 3: Cross multiply
    411,843.04x = 568,230.88 × 282,820.32
  4. Step 4: Simplify right side
    411,843.04x = 160,707,239,315.48
  5. Step 5: Solve for x
    x = 160,707,239,315.48/411,843.04
  6. Step 6: Final answer
    x = 390,214.78

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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.