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Finding the Fourth Proportional to 583,912.76, 805,799.75 and 329,264.01

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Solution

The fourth proportional to 583,912.76, 805,799.75 and 329,264.01 is: 454,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,912.76 : 805,799.75 = 329,264.01 : x
  2. Step 2: Convert to fraction form
    583,912.76/805,799.75 = 329,264.01/x
  3. Step 3: Cross multiply
    583,912.76x = 805,799.75 × 329,264.01
  4. Step 4: Simplify right side
    583,912.76x = 265,320,855,295.68
  5. Step 5: Solve for x
    x = 265,320,855,295.68/583,912.76
  6. Step 6: Final answer
    x = 454,384.41

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1.5x scale

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.