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Finding the Fourth Proportional to 569,618.39, 854,512.53 and 209,761.55

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Solution

The fourth proportional to 569,618.39, 854,512.53 and 209,761.55 is: 314,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,618.39 : 854,512.53 = 209,761.55 : x
  2. Step 2: Convert to fraction form
    569,618.39/854,512.53 = 209,761.55/x
  3. Step 3: Cross multiply
    569,618.39x = 854,512.53 × 209,761.55
  4. Step 4: Simplify right side
    569,618.39x = 179,243,868,514.66
  5. Step 5: Solve for x
    x = 179,243,868,514.66/569,618.39
  6. Step 6: Final answer
    x = 314,673.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.