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Finding the Fourth Proportional to 569,517.84, 854,512.47 and 249,504.21

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Solution

The fourth proportional to 569,517.84, 854,512.47 and 249,504.21 is: 374,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,517.84 : 854,512.47 = 249,504.21 : x
  2. Step 2: Convert to fraction form
    569,517.84/854,512.47 = 249,504.21/x
  3. Step 3: Cross multiply
    569,517.84x = 854,512.47 × 249,504.21
  4. Step 4: Simplify right side
    569,517.84x = 213,204,458,762.50
  5. Step 5: Solve for x
    x = 213,204,458,762.50/569,517.84
  6. Step 6: Final answer
    x = 374,359.58

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Double scale
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Similar ratio
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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.