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Finding the Fourth Proportional to 373,789.50, 560,917.53 and 152,173.50

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Solution

The fourth proportional to 373,789.50, 560,917.53 and 152,173.50 is: 228,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,789.50 : 560,917.53 = 152,173.50 : x
  2. Step 2: Convert to fraction form
    373,789.50/560,917.53 = 152,173.50/x
  3. Step 3: Cross multiply
    373,789.50x = 560,917.53 × 152,173.50
  4. Step 4: Simplify right side
    373,789.50x = 85,356,783,751.46
  5. Step 5: Solve for x
    x = 85,356,783,751.46/373,789.50
  6. Step 6: Final answer
    x = 228,355.22

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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.