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Finding the Fourth Proportional to 546,817.61, 754,305.04 and 320,419.37

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Solution

The fourth proportional to 546,817.61, 754,305.04 and 320,419.37 is: 442,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,817.61 : 754,305.04 = 320,419.37 : x
  2. Step 2: Convert to fraction form
    546,817.61/754,305.04 = 320,419.37/x
  3. Step 3: Cross multiply
    546,817.61x = 754,305.04 × 320,419.37
  4. Step 4: Simplify right side
    546,817.61x = 241,693,947,990.91
  5. Step 5: Solve for x
    x = 241,693,947,990.91/546,817.61
  6. Step 6: Final answer
    x = 442,001.03

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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.