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Finding the Fourth Proportional to 314,646.08, 433,787.04 and 304,861.76

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Solution

The fourth proportional to 314,646.08, 433,787.04 and 304,861.76 is: 420,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,646.08 : 433,787.04 = 304,861.76 : x
  2. Step 2: Convert to fraction form
    314,646.08/433,787.04 = 304,861.76/x
  3. Step 3: Cross multiply
    314,646.08x = 433,787.04 × 304,861.76
  4. Step 4: Simplify right side
    314,646.08x = 132,245,080,479.59
  5. Step 5: Solve for x
    x = 132,245,080,479.59/314,646.08
  6. Step 6: Final answer
    x = 420,297.88

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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.