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Finding the Fourth Proportional to 546,975.45, 754,902.21 and 305,273.58

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Solution

The fourth proportional to 546,975.45, 754,902.21 and 305,273.58 is: 421,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,975.45 : 754,902.21 = 305,273.58 : x
  2. Step 2: Convert to fraction form
    546,975.45/754,902.21 = 305,273.58/x
  3. Step 3: Cross multiply
    546,975.45x = 754,902.21 × 305,273.58
  4. Step 4: Simplify right side
    546,975.45x = 230,451,700,196.61
  5. Step 5: Solve for x
    x = 230,451,700,196.61/546,975.45
  6. Step 6: Final answer
    x = 421,320.01

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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.