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Finding the Fourth Proportional to 567,878.67, 783,714.56 and 326,171.43

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Solution

The fourth proportional to 567,878.67, 783,714.56 and 326,171.43 is: 450,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,878.67 : 783,714.56 = 326,171.43 : x
  2. Step 2: Convert to fraction form
    567,878.67/783,714.56 = 326,171.43/x
  3. Step 3: Cross multiply
    567,878.67x = 783,714.56 × 326,171.43
  4. Step 4: Simplify right side
    567,878.67x = 255,625,297,116.16
  5. Step 5: Solve for x
    x = 255,625,297,116.16/567,878.67
  6. Step 6: Final answer
    x = 450,140.69

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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.