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Finding the Fourth Proportional to 373,416.70, 559,456.80 and 227,090.20

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Solution

The fourth proportional to 373,416.70, 559,456.80 and 227,090.20 is: 340,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,416.70 : 559,456.80 = 227,090.20 : x
  2. Step 2: Convert to fraction form
    373,416.70/559,456.80 = 227,090.20/x
  3. Step 3: Cross multiply
    373,416.70x = 559,456.80 × 227,090.20
  4. Step 4: Simplify right side
    373,416.70x = 127,047,156,603.36
  5. Step 5: Solve for x
    x = 127,047,156,603.36/373,416.70
  6. Step 6: Final answer
    x = 340,228.91

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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.