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Finding the Fourth Proportional to 318,757.36, 439,894.84 and 175,522.54

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Solution

The fourth proportional to 318,757.36, 439,894.84 and 175,522.54 is: 242,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,757.36 : 439,894.84 = 175,522.54 : x
  2. Step 2: Convert to fraction form
    318,757.36/439,894.84 = 175,522.54/x
  3. Step 3: Cross multiply
    318,757.36x = 439,894.84 × 175,522.54
  4. Step 4: Simplify right side
    318,757.36x = 77,211,459,649.69
  5. Step 5: Solve for x
    x = 77,211,459,649.69/318,757.36
  6. Step 6: Final answer
    x = 242,226.44

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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.