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Finding the Fourth Proportional to 553,517.66, 830,393.14 and 179,511.50

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Solution

The fourth proportional to 553,517.66, 830,393.14 and 179,511.50 is: 269,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,517.66 : 830,393.14 = 179,511.50 : x
  2. Step 2: Convert to fraction form
    553,517.66/830,393.14 = 179,511.50/x
  3. Step 3: Cross multiply
    553,517.66x = 830,393.14 × 179,511.50
  4. Step 4: Simplify right side
    553,517.66x = 149,065,118,151.11
  5. Step 5: Solve for x
    x = 149,065,118,151.11/553,517.66
  6. Step 6: Final answer
    x = 269,305.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.