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Finding the Fourth Proportional to 567,934.90, 850,393.31 and 342,991.01

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Solution

The fourth proportional to 567,934.90, 850,393.31 and 342,991.01 is: 513,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,934.90 : 850,393.31 = 342,991.01 : x
  2. Step 2: Convert to fraction form
    567,934.90/850,393.31 = 342,991.01/x
  3. Step 3: Cross multiply
    567,934.90x = 850,393.31 × 342,991.01
  4. Step 4: Simplify right side
    567,934.90x = 291,677,263,277.60
  5. Step 5: Solve for x
    x = 291,677,263,277.60/567,934.90
  6. Step 6: Final answer
    x = 513,575.17

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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.