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Finding the Fourth Proportional to 439,598.96, 659,509.32 and 203,108.84

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Solution

The fourth proportional to 439,598.96, 659,509.32 and 203,108.84 is: 304,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,598.96 : 659,509.32 = 203,108.84 : x
  2. Step 2: Convert to fraction form
    439,598.96/659,509.32 = 203,108.84/x
  3. Step 3: Cross multiply
    439,598.96x = 659,509.32 × 203,108.84
  4. Step 4: Simplify right side
    439,598.96x = 133,952,172,954.39
  5. Step 5: Solve for x
    x = 133,952,172,954.39/439,598.96
  6. Step 6: Final answer
    x = 304,714.49

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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.