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Finding the Fourth Proportional to 374,094.80, 561,142.20 and 248,123.60

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Solution

The fourth proportional to 374,094.80, 561,142.20 and 248,123.60 is: 372,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,094.80 : 561,142.20 = 248,123.60 : x
  2. Step 2: Convert to fraction form
    374,094.80/561,142.20 = 248,123.60/x
  3. Step 3: Cross multiply
    374,094.80x = 561,142.20 × 248,123.60
  4. Step 4: Simplify right side
    374,094.80x = 139,232,622,775.92
  5. Step 5: Solve for x
    x = 139,232,622,775.92/374,094.80
  6. Step 6: Final answer
    x = 372,185.40

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1.5x scale

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.