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Finding the Fourth Proportional to 329,365.68, 454,473 and 191,575.12

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Solution

The fourth proportional to 329,365.68, 454,473 and 191,575.12 is: 264,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,365.68 : 454,473 = 191,575.12 : x
  2. Step 2: Convert to fraction form
    329,365.68/454,473 = 191,575.12/x
  3. Step 3: Cross multiply
    329,365.68x = 454,473 × 191,575.12
  4. Step 4: Simplify right side
    329,365.68x = 87,065,719,511.76
  5. Step 5: Solve for x
    x = 87,065,719,511.76/329,365.68
  6. Step 6: Final answer
    x = 264,343.63

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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.