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Finding the Fourth Proportional to 583,656.31, 805,625.19 and 342,016.73

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Solution

The fourth proportional to 583,656.31, 805,625.19 and 342,016.73 is: 472,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,656.31 : 805,625.19 = 342,016.73 : x
  2. Step 2: Convert to fraction form
    583,656.31/805,625.19 = 342,016.73/x
  3. Step 3: Cross multiply
    583,656.31x = 805,625.19 × 342,016.73
  4. Step 4: Simplify right side
    583,656.31x = 275,537,292,082.40
  5. Step 5: Solve for x
    x = 275,537,292,082.40/583,656.31
  6. Step 6: Final answer
    x = 472,088.26

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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.