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Finding the Fourth Proportional to 546,644.54, 754,370.66 and 304,942.76

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Solution

The fourth proportional to 546,644.54, 754,370.66 and 304,942.76 is: 420,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,644.54 : 754,370.66 = 304,942.76 : x
  2. Step 2: Convert to fraction form
    546,644.54/754,370.66 = 304,942.76/x
  3. Step 3: Cross multiply
    546,644.54x = 754,370.66 × 304,942.76
  4. Step 4: Simplify right side
    546,644.54x = 230,039,871,123.42
  5. Step 5: Solve for x
    x = 230,039,871,123.42/546,644.54
  6. Step 6: Final answer
    x = 420,821.68

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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.