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Finding the Fourth Proportional to 407,250.71, 562,024.91 and 254,379.41

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Solution

The fourth proportional to 407,250.71, 562,024.91 and 254,379.41 is: 351,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,250.71 : 562,024.91 = 254,379.41 : x
  2. Step 2: Convert to fraction form
    407,250.71/562,024.91 = 254,379.41/x
  3. Step 3: Cross multiply
    407,250.71x = 562,024.91 × 254,379.41
  4. Step 4: Simplify right side
    407,250.71x = 142,967,565,011.10
  5. Step 5: Solve for x
    x = 142,967,565,011.10/407,250.71
  6. Step 6: Final answer
    x = 351,055.41

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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.