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Finding the Fourth Proportional to 546,662.39, 754,394.31 and 304,944.21

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Solution

The fourth proportional to 546,662.39, 754,394.31 and 304,944.21 is: 420,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,662.39 : 754,394.31 = 304,944.21 : x
  2. Step 2: Convert to fraction form
    546,662.39/754,394.31 = 304,944.21/x
  3. Step 3: Cross multiply
    546,662.39x = 754,394.31 × 304,944.21
  4. Step 4: Simplify right side
    546,662.39x = 230,048,176,891.45
  5. Step 5: Solve for x
    x = 230,048,176,891.45/546,662.39
  6. Step 6: Final answer
    x = 420,823.13

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Double scale
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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.