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Finding the Fourth Proportional to 373,424.01, 515,371.50 and 228,199.92

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Solution

The fourth proportional to 373,424.01, 515,371.50 and 228,199.92 is: 314,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,424.01 : 515,371.50 = 228,199.92 : x
  2. Step 2: Convert to fraction form
    373,424.01/515,371.50 = 228,199.92/x
  3. Step 3: Cross multiply
    373,424.01x = 515,371.50 × 228,199.92
  4. Step 4: Simplify right side
    373,424.01x = 117,607,735,070.28
  5. Step 5: Solve for x
    x = 117,607,735,070.28/373,424.01
  6. Step 6: Final answer
    x = 314,944.22

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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.