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Finding the Fourth Proportional to 583,668.56, 805,474.92 and 329,019.75

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Solution

The fourth proportional to 583,668.56, 805,474.92 and 329,019.75 is: 454,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,668.56 : 805,474.92 = 329,019.75 : x
  2. Step 2: Convert to fraction form
    583,668.56/805,474.92 = 329,019.75/x
  3. Step 3: Cross multiply
    583,668.56x = 805,474.92 × 329,019.75
  4. Step 4: Simplify right side
    583,668.56x = 265,017,156,192.76
  5. Step 5: Solve for x
    x = 265,017,156,192.76/583,668.56
  6. Step 6: Final answer
    x = 454,054.19

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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.