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Finding the Fourth Proportional to 451,501.83, 623,069.21 and 247,549.41

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Solution

The fourth proportional to 451,501.83, 623,069.21 and 247,549.41 is: 341,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,501.83 : 623,069.21 = 247,549.41 : x
  2. Step 2: Convert to fraction form
    451,501.83/623,069.21 = 247,549.41/x
  3. Step 3: Cross multiply
    451,501.83x = 623,069.21 × 247,549.41
  4. Step 4: Simplify right side
    451,501.83x = 154,240,414,086.92
  5. Step 5: Solve for x
    x = 154,240,414,086.92/451,501.83
  6. Step 6: Final answer
    x = 341,616.37

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1.5x scale

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.