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Finding the Fourth Proportional to 289,404.84, 433,407.36 and 250,213.80

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Solution

The fourth proportional to 289,404.84, 433,407.36 and 250,213.80 is: 374,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,404.84 : 433,407.36 = 250,213.80 : x
  2. Step 2: Convert to fraction form
    289,404.84/433,407.36 = 250,213.80/x
  3. Step 3: Cross multiply
    289,404.84x = 433,407.36 × 250,213.80
  4. Step 4: Simplify right side
    289,404.84x = 108,444,502,493.57
  5. Step 5: Solve for x
    x = 108,444,502,493.57/289,404.84
  6. Step 6: Final answer
    x = 374,715.58

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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.