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Finding the Fourth Proportional to 647,270.40, 893,616.29 and 575,452.06

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Solution

The fourth proportional to 647,270.40, 893,616.29 and 575,452.06 is: 794,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,270.40 : 893,616.29 = 575,452.06 : x
  2. Step 2: Convert to fraction form
    647,270.40/893,616.29 = 575,452.06/x
  3. Step 3: Cross multiply
    647,270.40x = 893,616.29 × 575,452.06
  4. Step 4: Simplify right side
    647,270.40x = 514,233,331,976.70
  5. Step 5: Solve for x
    x = 514,233,331,976.70/647,270.40
  6. Step 6: Final answer
    x = 794,464.46

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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.