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Finding the Fourth Proportional to 356,221.70, 535,110.15 and 251,245.70

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Solution

The fourth proportional to 356,221.70, 535,110.15 and 251,245.70 is: 377,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,221.70 : 535,110.15 = 251,245.70 : x
  2. Step 2: Convert to fraction form
    356,221.70/535,110.15 = 251,245.70/x
  3. Step 3: Cross multiply
    356,221.70x = 535,110.15 × 251,245.70
  4. Step 4: Simplify right side
    356,221.70x = 134,444,124,213.86
  5. Step 5: Solve for x
    x = 134,444,124,213.86/356,221.70
  6. Step 6: Final answer
    x = 377,417.00

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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.