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Finding the Fourth Proportional to 552,651.02, 762,650.59 and 310,933.01

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Solution

The fourth proportional to 552,651.02, 762,650.59 and 310,933.01 is: 429,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,651.02 : 762,650.59 = 310,933.01 : x
  2. Step 2: Convert to fraction form
    552,651.02/762,650.59 = 310,933.01/x
  3. Step 3: Cross multiply
    552,651.02x = 762,650.59 × 310,933.01
  4. Step 4: Simplify right side
    552,651.02x = 237,133,245,239.27
  5. Step 5: Solve for x
    x = 237,133,245,239.27/552,651.02
  6. Step 6: Final answer
    x = 429,083.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.