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Finding the Fourth Proportional to 439,997.68, 607,196.64 and 238,793.68

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Solution

The fourth proportional to 439,997.68, 607,196.64 and 238,793.68 is: 329,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,997.68 : 607,196.64 = 238,793.68 : x
  2. Step 2: Convert to fraction form
    439,997.68/607,196.64 = 238,793.68/x
  3. Step 3: Cross multiply
    439,997.68x = 607,196.64 × 238,793.68
  4. Step 4: Simplify right side
    439,997.68x = 144,994,720,149.24
  5. Step 5: Solve for x
    x = 144,994,720,149.24/439,997.68
  6. Step 6: Final answer
    x = 329,535.19

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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.