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Finding the Fourth Proportional to 624,953.35, 862,431.33 and 338,466.88

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Solution

The fourth proportional to 624,953.35, 862,431.33 and 338,466.88 is: 467,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,953.35 : 862,431.33 = 338,466.88 : x
  2. Step 2: Convert to fraction form
    624,953.35/862,431.33 = 338,466.88/x
  3. Step 3: Cross multiply
    624,953.35x = 862,431.33 × 338,466.88
  4. Step 4: Simplify right side
    624,953.35x = 291,904,441,479.35
  5. Step 5: Solve for x
    x = 291,904,441,479.35/624,953.35
  6. Step 6: Final answer
    x = 467,081.97

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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.