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Finding the Fourth Proportional to 554,524.32, 831,699.72 and 180,544.80

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Solution

The fourth proportional to 554,524.32, 831,699.72 and 180,544.80 is: 270,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,524.32 : 831,699.72 = 180,544.80 : x
  2. Step 2: Convert to fraction form
    554,524.32/831,699.72 = 180,544.80/x
  3. Step 3: Cross multiply
    554,524.32x = 831,699.72 × 180,544.80
  4. Step 4: Simplify right side
    554,524.32x = 150,159,059,607.46
  5. Step 5: Solve for x
    x = 150,159,059,607.46/554,524.32
  6. Step 6: Final answer
    x = 270,788.95

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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.