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Finding the Fourth Proportional to 374,101.80, 561,152.70 and 248,130.60

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Solution

The fourth proportional to 374,101.80, 561,152.70 and 248,130.60 is: 372,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,101.80 : 561,152.70 = 248,130.60 : x
  2. Step 2: Convert to fraction form
    374,101.80/561,152.70 = 248,130.60/x
  3. Step 3: Cross multiply
    374,101.80x = 561,152.70 × 248,130.60
  4. Step 4: Simplify right side
    374,101.80x = 139,239,156,142.62
  5. Step 5: Solve for x
    x = 139,239,156,142.62/374,101.80
  6. Step 6: Final answer
    x = 372,195.90

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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.