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Finding the Fourth Proportional to 583,888.69, 805,765.08 and 329,238.06

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Solution

The fourth proportional to 583,888.69, 805,765.08 and 329,238.06 is: 454,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,888.69 : 805,765.08 = 329,238.06 : x
  2. Step 2: Convert to fraction form
    583,888.69/805,765.08 = 329,238.06/x
  3. Step 3: Cross multiply
    583,888.69x = 805,765.08 × 329,238.06
  4. Step 4: Simplify right side
    583,888.69x = 265,288,531,754.95
  5. Step 5: Solve for x
    x = 265,288,531,754.95/583,888.69
  6. Step 6: Final answer
    x = 454,347.78

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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.