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Finding the Fourth Proportional to 451,088.62, 622,501.95 and 247,152.27

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Solution

The fourth proportional to 451,088.62, 622,501.95 and 247,152.27 is: 341,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,088.62 : 622,501.95 = 247,152.27 : x
  2. Step 2: Convert to fraction form
    451,088.62/622,501.95 = 247,152.27/x
  3. Step 3: Cross multiply
    451,088.62x = 622,501.95 × 247,152.27
  4. Step 4: Simplify right side
    451,088.62x = 153,852,766,909.42
  5. Step 5: Solve for x
    x = 153,852,766,909.42/451,088.62
  6. Step 6: Final answer
    x = 341,069.94

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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.