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Finding the Fourth Proportional to 546,327.48, 753,936.38 and 304,626.39

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Solution

The fourth proportional to 546,327.48, 753,936.38 and 304,626.39 is: 420,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,327.48 : 753,936.38 = 304,626.39 : x
  2. Step 2: Convert to fraction form
    546,327.48/753,936.38 = 304,626.39/x
  3. Step 3: Cross multiply
    546,327.48x = 753,936.38 × 304,626.39
  4. Step 4: Simplify right side
    546,327.48x = 229,668,917,729.07
  5. Step 5: Solve for x
    x = 229,668,917,729.07/546,327.48
  6. Step 6: Final answer
    x = 420,386.90

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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.