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Finding the Fourth Proportional to 546,911.58, 754,736.60 and 305,191.59

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Solution

The fourth proportional to 546,911.58, 754,736.60 and 305,191.59 is: 421,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,911.58 : 754,736.60 = 305,191.59 : x
  2. Step 2: Convert to fraction form
    546,911.58/754,736.60 = 305,191.59/x
  3. Step 3: Cross multiply
    546,911.58x = 754,736.60 × 305,191.59
  4. Step 4: Simplify right side
    546,911.58x = 230,339,262,985.19
  5. Step 5: Solve for x
    x = 230,339,262,985.19/546,911.58
  6. Step 6: Final answer
    x = 421,163.62

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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.