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Finding the Fourth Proportional to 439,000.64, 605,820.32 and 237,797.44

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Solution

The fourth proportional to 439,000.64, 605,820.32 and 237,797.44 is: 328,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,000.64 : 605,820.32 = 237,797.44 : x
  2. Step 2: Convert to fraction form
    439,000.64/605,820.32 = 237,797.44/x
  3. Step 3: Cross multiply
    439,000.64x = 605,820.32 × 237,797.44
  4. Step 4: Simplify right side
    439,000.64x = 144,062,521,195.98
  5. Step 5: Solve for x
    x = 144,062,521,195.98/439,000.64
  6. Step 6: Final answer
    x = 328,160.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.