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Finding the Fourth Proportional to 374,600.90, 561,901.35 and 248,629.70

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Solution

The fourth proportional to 374,600.90, 561,901.35 and 248,629.70 is: 372,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,600.90 : 561,901.35 = 248,629.70 : x
  2. Step 2: Convert to fraction form
    374,600.90/561,901.35 = 248,629.70/x
  3. Step 3: Cross multiply
    374,600.90x = 561,901.35 × 248,629.70
  4. Step 4: Simplify right side
    374,600.90x = 139,705,364,080.10
  5. Step 5: Solve for x
    x = 139,705,364,080.10/374,600.90
  6. Step 6: Final answer
    x = 372,944.55

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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.