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Finding the Fourth Proportional to 546,816.93, 754,304.09 and 320,418.69

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Solution

The fourth proportional to 546,816.93, 754,304.09 and 320,418.69 is: 442,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,816.93 : 754,304.09 = 320,418.69 : x
  2. Step 2: Convert to fraction form
    546,816.93/754,304.09 = 320,418.69/x
  3. Step 3: Cross multiply
    546,816.93x = 754,304.09 × 320,418.69
  4. Step 4: Simplify right side
    546,816.93x = 241,693,128,379.44
  5. Step 5: Solve for x
    x = 241,693,128,379.44/546,816.93
  6. Step 6: Final answer
    x = 442,000.08

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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.