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Finding the Fourth Proportional to 445,168.92, 614,363.28 and 251,509.47

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Solution

The fourth proportional to 445,168.92, 614,363.28 and 251,509.47 is: 347,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,168.92 : 614,363.28 = 251,509.47 : x
  2. Step 2: Convert to fraction form
    445,168.92/614,363.28 = 251,509.47/x
  3. Step 3: Cross multiply
    445,168.92x = 614,363.28 × 251,509.47
  4. Step 4: Simplify right side
    445,168.92x = 154,518,182,940.26
  5. Step 5: Solve for x
    x = 154,518,182,940.26/445,168.92
  6. Step 6: Final answer
    x = 347,100.11

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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.