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Finding the Fourth Proportional to 583,930.02, 805,970.22 and 329,428.84

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Solution

The fourth proportional to 583,930.02, 805,970.22 and 329,428.84 is: 454,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,930.02 : 805,970.22 = 329,428.84 : x
  2. Step 2: Convert to fraction form
    583,930.02/805,970.22 = 329,428.84/x
  3. Step 3: Cross multiply
    583,930.02x = 805,970.22 × 329,428.84
  4. Step 4: Simplify right side
    583,930.02x = 265,509,834,649.15
  5. Step 5: Solve for x
    x = 265,509,834,649.15/583,930.02
  6. Step 6: Final answer
    x = 454,694.61

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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.