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Finding the Fourth Proportional to 624,895.73, 862,351.80 and 338,409.26

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Solution

The fourth proportional to 624,895.73, 862,351.80 and 338,409.26 is: 467,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,895.73 : 862,351.80 = 338,409.26 : x
  2. Step 2: Convert to fraction form
    624,895.73/862,351.80 = 338,409.26/x
  3. Step 3: Cross multiply
    624,895.73x = 862,351.80 × 338,409.26
  4. Step 4: Simplify right side
    624,895.73x = 291,827,830,185.91
  5. Step 5: Solve for x
    x = 291,827,830,185.91/624,895.73
  6. Step 6: Final answer
    x = 467,002.44

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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.