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Finding the Fourth Proportional to 640,823.96, 960,670.24 and 241,744.98

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Solution

The fourth proportional to 640,823.96, 960,670.24 and 241,744.98 is: 362,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,823.96 : 960,670.24 = 241,744.98 : x
  2. Step 2: Convert to fraction form
    640,823.96/960,670.24 = 241,744.98/x
  3. Step 3: Cross multiply
    640,823.96x = 960,670.24 × 241,744.98
  4. Step 4: Simplify right side
    640,823.96x = 232,237,208,591.62
  5. Step 5: Solve for x
    x = 232,237,208,591.62/640,823.96
  6. Step 6: Final answer
    x = 362,404.07

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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.