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Finding the Fourth Proportional to 360,539.75, 497,611.41 and 231,639.36

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Solution

The fourth proportional to 360,539.75, 497,611.41 and 231,639.36 is: 319,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,539.75 : 497,611.41 = 231,639.36 : x
  2. Step 2: Convert to fraction form
    360,539.75/497,611.41 = 231,639.36/x
  3. Step 3: Cross multiply
    360,539.75x = 497,611.41 × 231,639.36
  4. Step 4: Simplify right side
    360,539.75x = 115,266,386,053.04
  5. Step 5: Solve for x
    x = 115,266,386,053.04/360,539.75
  6. Step 6: Final answer
    x = 319,705.07

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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.