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Finding the Fourth Proportional to 583,903.76, 805,787.33 and 329,255.01

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Solution

The fourth proportional to 583,903.76, 805,787.33 and 329,255.01 is: 454,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,903.76 : 805,787.33 = 329,255.01 : x
  2. Step 2: Convert to fraction form
    583,903.76/805,787.33 = 329,255.01/x
  3. Step 3: Cross multiply
    583,903.76x = 805,787.33 × 329,255.01
  4. Step 4: Simplify right side
    583,903.76x = 265,309,513,750.75
  5. Step 5: Solve for x
    x = 265,309,513,750.75/583,903.76
  6. Step 6: Final answer
    x = 454,371.99

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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.