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Finding the Fourth Proportional to 624,041.78, 935,884.11 and 203,354.42

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Solution

The fourth proportional to 624,041.78, 935,884.11 and 203,354.42 is: 304,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,041.78 : 935,884.11 = 203,354.42 : x
  2. Step 2: Convert to fraction form
    624,041.78/935,884.11 = 203,354.42/x
  3. Step 3: Cross multiply
    624,041.78x = 935,884.11 × 203,354.42
  4. Step 4: Simplify right side
    624,041.78x = 190,316,170,376.27
  5. Step 5: Solve for x
    x = 190,316,170,376.27/624,041.78
  6. Step 6: Final answer
    x = 304,973.44

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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.