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Finding the Fourth Proportional to 400,176.72, 599,598.70 and 281,598.96

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Solution

The fourth proportional to 400,176.72, 599,598.70 and 281,598.96 is: 421,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,176.72 : 599,598.70 = 281,598.96 : x
  2. Step 2: Convert to fraction form
    400,176.72/599,598.70 = 281,598.96/x
  3. Step 3: Cross multiply
    400,176.72x = 599,598.70 × 281,598.96
  4. Step 4: Simplify right side
    400,176.72x = 168,846,370,337.35
  5. Step 5: Solve for x
    x = 168,846,370,337.35/400,176.72
  6. Step 6: Final answer
    x = 421,929.52

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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.