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Finding the Fourth Proportional to 607,698.90, 910,991.07 and 233,440.02

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Solution

The fourth proportional to 607,698.90, 910,991.07 and 233,440.02 is: 349,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,698.90 : 910,991.07 = 233,440.02 : x
  2. Step 2: Convert to fraction form
    607,698.90/910,991.07 = 233,440.02/x
  3. Step 3: Cross multiply
    607,698.90x = 910,991.07 × 233,440.02
  4. Step 4: Simplify right side
    607,698.90x = 212,661,773,600.62
  5. Step 5: Solve for x
    x = 212,661,773,600.62/607,698.90
  6. Step 6: Final answer
    x = 349,945.96

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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.