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Finding the Fourth Proportional to 467,703.32, 645,428.66 and 252,843.32

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Solution

The fourth proportional to 467,703.32, 645,428.66 and 252,843.32 is: 348,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,703.32 : 645,428.66 = 252,843.32 : x
  2. Step 2: Convert to fraction form
    467,703.32/645,428.66 = 252,843.32/x
  3. Step 3: Cross multiply
    467,703.32x = 645,428.66 × 252,843.32
  4. Step 4: Simplify right side
    467,703.32x = 163,192,325,566.91
  5. Step 5: Solve for x
    x = 163,192,325,566.91/467,703.32
  6. Step 6: Final answer
    x = 348,922.75

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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.