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Finding the Fourth Proportional to 478,006.92, 717,453.72 and 241,515.68

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Solution

The fourth proportional to 478,006.92, 717,453.72 and 241,515.68 is: 362,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,006.92 : 717,453.72 = 241,515.68 : x
  2. Step 2: Convert to fraction form
    478,006.92/717,453.72 = 241,515.68/x
  3. Step 3: Cross multiply
    478,006.92x = 717,453.72 × 241,515.68
  4. Step 4: Simplify right side
    478,006.92x = 173,276,319,467.06
  5. Step 5: Solve for x
    x = 173,276,319,467.06/478,006.92
  6. Step 6: Final answer
    x = 362,497.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.