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Finding the Fourth Proportional to 574,444.50, 792,707.82 and 329,253.50

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Solution

The fourth proportional to 574,444.50, 792,707.82 and 329,253.50 is: 454,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,444.50 : 792,707.82 = 329,253.50 : x
  2. Step 2: Convert to fraction form
    574,444.50/792,707.82 = 329,253.50/x
  3. Step 3: Cross multiply
    574,444.50x = 792,707.82 × 329,253.50
  4. Step 4: Simplify right side
    574,444.50x = 261,001,824,212.37
  5. Step 5: Solve for x
    x = 261,001,824,212.37/574,444.50
  6. Step 6: Final answer
    x = 454,355.16

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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.