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Finding the Fourth Proportional to 546,685.92, 754,509.67 and 331,784.42

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Solution

The fourth proportional to 546,685.92, 754,509.67 and 331,784.42 is: 457,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,685.92 : 754,509.67 = 331,784.42 : x
  2. Step 2: Convert to fraction form
    546,685.92/754,509.67 = 331,784.42/x
  3. Step 3: Cross multiply
    546,685.92x = 754,509.67 × 331,784.42
  4. Step 4: Simplify right side
    546,685.92x = 250,334,548,643.33
  5. Step 5: Solve for x
    x = 250,334,548,643.33/546,685.92
  6. Step 6: Final answer
    x = 457,912.92

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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.