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Finding the Fourth Proportional to 568,101.08, 784,026.38 and 326,430.32

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Solution

The fourth proportional to 568,101.08, 784,026.38 and 326,430.32 is: 450,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,101.08 : 784,026.38 = 326,430.32 : x
  2. Step 2: Convert to fraction form
    568,101.08/784,026.38 = 326,430.32/x
  3. Step 3: Cross multiply
    568,101.08x = 784,026.38 × 326,430.32
  4. Step 4: Simplify right side
    568,101.08x = 255,929,982,111.84
  5. Step 5: Solve for x
    x = 255,929,982,111.84/568,101.08
  6. Step 6: Final answer
    x = 450,500.78

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Double scale
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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.