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Finding the Fourth Proportional to 546,349.56, 754,012.14 and 331,544.28

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Solution

The fourth proportional to 546,349.56, 754,012.14 and 331,544.28 is: 457,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,349.56 : 754,012.14 = 331,544.28 : x
  2. Step 2: Convert to fraction form
    546,349.56/754,012.14 = 331,544.28/x
  3. Step 3: Cross multiply
    546,349.56x = 754,012.14 × 331,544.28
  4. Step 4: Simplify right side
    546,349.56x = 249,988,412,067.56
  5. Step 5: Solve for x
    x = 249,988,412,067.56/546,349.56
  6. Step 6: Final answer
    x = 457,561.29

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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.