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Finding the Fourth Proportional to 583,642.23, 805,606.08 and 342,003.33

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Solution

The fourth proportional to 583,642.23, 805,606.08 and 342,003.33 is: 472,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,642.23 : 805,606.08 = 342,003.33 : x
  2. Step 2: Convert to fraction form
    583,642.23/805,606.08 = 342,003.33/x
  3. Step 3: Cross multiply
    583,642.23x = 805,606.08 × 342,003.33
  4. Step 4: Simplify right side
    583,642.23x = 275,519,962,028.25
  5. Step 5: Solve for x
    x = 275,519,962,028.25/583,642.23
  6. Step 6: Final answer
    x = 472,069.96

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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.