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Finding the Fourth Proportional to 350,725.92, 484,001.40 and 189,580.92

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Solution

The fourth proportional to 350,725.92, 484,001.40 and 189,580.92 is: 261,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,725.92 : 484,001.40 = 189,580.92 : x
  2. Step 2: Convert to fraction form
    350,725.92/484,001.40 = 189,580.92/x
  3. Step 3: Cross multiply
    350,725.92x = 484,001.40 × 189,580.92
  4. Step 4: Simplify right side
    350,725.92x = 91,757,430,693.29
  5. Step 5: Solve for x
    x = 91,757,430,693.29/350,725.92
  6. Step 6: Final answer
    x = 261,621.47

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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.