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Finding the Fourth Proportional to 451,703.75, 623,352.07 and 247,756.34

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Solution

The fourth proportional to 451,703.75, 623,352.07 and 247,756.34 is: 341,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,703.75 : 623,352.07 = 247,756.34 : x
  2. Step 2: Convert to fraction form
    451,703.75/623,352.07 = 247,756.34/x
  3. Step 3: Cross multiply
    451,703.75x = 623,352.07 × 247,756.34
  4. Step 4: Simplify right side
    451,703.75x = 154,439,424,277.86
  5. Step 5: Solve for x
    x = 154,439,424,277.86/451,703.75
  6. Step 6: Final answer
    x = 341,904.23

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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.