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Finding the Fourth Proportional to 553,671.77, 830,442.05 and 179,694.77

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Solution

The fourth proportional to 553,671.77, 830,442.05 and 179,694.77 is: 269,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,671.77 : 830,442.05 = 179,694.77 : x
  2. Step 2: Convert to fraction form
    553,671.77/830,442.05 = 179,694.77/x
  3. Step 3: Cross multiply
    553,671.77x = 830,442.05 × 179,694.77
  4. Step 4: Simplify right side
    553,671.77x = 149,226,092,274.61
  5. Step 5: Solve for x
    x = 149,226,092,274.61/553,671.77
  6. Step 6: Final answer
    x = 269,520.86

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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.