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Finding the Fourth Proportional to 624,837.29, 862,275.91 and 338,357.60

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Solution

The fourth proportional to 624,837.29, 862,275.91 and 338,357.60 is: 466,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,837.29 : 862,275.91 = 338,357.60 : x
  2. Step 2: Convert to fraction form
    624,837.29/862,275.91 = 338,357.60/x
  3. Step 3: Cross multiply
    624,837.29x = 862,275.91 × 338,357.60
  4. Step 4: Simplify right side
    624,837.29x = 291,757,602,288.14
  5. Step 5: Solve for x
    x = 291,757,602,288.14/624,837.29
  6. Step 6: Final answer
    x = 466,933.73

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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.