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Finding the Fourth Proportional to 554,016.14, 830,844.29 and 212,441.60

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Solution

The fourth proportional to 554,016.14, 830,844.29 and 212,441.60 is: 318,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,016.14 : 830,844.29 = 212,441.60 : x
  2. Step 2: Convert to fraction form
    554,016.14/830,844.29 = 212,441.60/x
  3. Step 3: Cross multiply
    554,016.14x = 830,844.29 × 212,441.60
  4. Step 4: Simplify right side
    554,016.14x = 176,505,889,256.26
  5. Step 5: Solve for x
    x = 176,505,889,256.26/554,016.14
  6. Step 6: Final answer
    x = 318,593.41

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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.