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Finding the Fourth Proportional to 349,191.64, 524,451.78 and 216,995.74

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Solution

The fourth proportional to 349,191.64, 524,451.78 and 216,995.74 is: 325,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,191.64 : 524,451.78 = 216,995.74 : x
  2. Step 2: Convert to fraction form
    349,191.64/524,451.78 = 216,995.74/x
  3. Step 3: Cross multiply
    349,191.64x = 524,451.78 × 216,995.74
  4. Step 4: Simplify right side
    349,191.64x = 113,803,802,095.42
  5. Step 5: Solve for x
    x = 113,803,802,095.42/349,191.64
  6. Step 6: Final answer
    x = 325,906.43

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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.