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Finding the Fourth Proportional to 350,725.94, 484,001.68 and 189,580.90

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Solution

The fourth proportional to 350,725.94, 484,001.68 and 189,580.90 is: 261,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,725.94 : 484,001.68 = 189,580.90 : x
  2. Step 2: Convert to fraction form
    350,725.94/484,001.68 = 189,580.90/x
  3. Step 3: Cross multiply
    350,725.94x = 484,001.68 × 189,580.90
  4. Step 4: Simplify right side
    350,725.94x = 91,757,474,095.91
  5. Step 5: Solve for x
    x = 91,757,474,095.91/350,725.94
  6. Step 6: Final answer
    x = 261,621.58

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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.