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Finding the Fourth Proportional to 657,104.40, 985,656.60 and 568,530.90

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Solution

The fourth proportional to 657,104.40, 985,656.60 and 568,530.90 is: 852,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,104.40 : 985,656.60 = 568,530.90 : x
  2. Step 2: Convert to fraction form
    657,104.40/985,656.60 = 568,530.90/x
  3. Step 3: Cross multiply
    657,104.40x = 985,656.60 × 568,530.90
  4. Step 4: Simplify right side
    657,104.40x = 560,376,233,888.94
  5. Step 5: Solve for x
    x = 560,376,233,888.94/657,104.40
  6. Step 6: Final answer
    x = 852,796.35

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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.