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Finding the Fourth Proportional to 382,355.06, 527,500.64 and 218,924.22

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Solution

The fourth proportional to 382,355.06, 527,500.64 and 218,924.22 is: 302,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,355.06 : 527,500.64 = 218,924.22 : x
  2. Step 2: Convert to fraction form
    382,355.06/527,500.64 = 218,924.22/x
  3. Step 3: Cross multiply
    382,355.06x = 527,500.64 × 218,924.22
  4. Step 4: Simplify right side
    382,355.06x = 115,482,665,066.88
  5. Step 5: Solve for x
    x = 115,482,665,066.88/382,355.06
  6. Step 6: Final answer
    x = 302,029.92

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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.