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Finding the Fourth Proportional to 584,043, 805,978.96 and 329,393.60

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Solution

The fourth proportional to 584,043, 805,978.96 and 329,393.60 is: 454,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,043 : 805,978.96 = 329,393.60 : x
  2. Step 2: Convert to fraction form
    584,043/805,978.96 = 329,393.60/x
  3. Step 3: Cross multiply
    584,043x = 805,978.96 × 329,393.60
  4. Step 4: Simplify right side
    584,043x = 265,484,311,158.66
  5. Step 5: Solve for x
    x = 265,484,311,158.66/584,043
  6. Step 6: Final answer
    x = 454,562.95

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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.