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Finding the Fourth Proportional to 619,410.52, 928,332.48 and 353,321.50

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Solution

The fourth proportional to 619,410.52, 928,332.48 and 353,321.50 is: 529,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,410.52 : 928,332.48 = 353,321.50 : x
  2. Step 2: Convert to fraction form
    619,410.52/928,332.48 = 353,321.50/x
  3. Step 3: Cross multiply
    619,410.52x = 928,332.48 × 353,321.50
  4. Step 4: Simplify right side
    619,410.52x = 327,999,824,332.32
  5. Step 5: Solve for x
    x = 327,999,824,332.32/619,410.52
  6. Step 6: Final answer
    x = 529,535.44

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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.