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Finding the Fourth Proportional to 451,532.09, 623,121.51 and 247,601.63

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Solution

The fourth proportional to 451,532.09, 623,121.51 and 247,601.63 is: 341,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,532.09 : 623,121.51 = 247,601.63 : x
  2. Step 2: Convert to fraction form
    451,532.09/623,121.51 = 247,601.63/x
  3. Step 3: Cross multiply
    451,532.09x = 623,121.51 × 247,601.63
  4. Step 4: Simplify right side
    451,532.09x = 154,285,897,210.45
  5. Step 5: Solve for x
    x = 154,285,897,210.45/451,532.09
  6. Step 6: Final answer
    x = 341,694.21

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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.