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Finding the Fourth Proportional to 567,851.62, 783,633.78 and 326,149.86

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Solution

The fourth proportional to 567,851.62, 783,633.78 and 326,149.86 is: 450,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,851.62 : 783,633.78 = 326,149.86 : x
  2. Step 2: Convert to fraction form
    567,851.62/783,633.78 = 326,149.86/x
  3. Step 3: Cross multiply
    567,851.62x = 783,633.78 × 326,149.86
  4. Step 4: Simplify right side
    567,851.62x = 255,582,047,638.27
  5. Step 5: Solve for x
    x = 255,582,047,638.27/567,851.62
  6. Step 6: Final answer
    x = 450,085.97

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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.