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Finding the Fourth Proportional to 546,633.06, 754,353.10 and 304,915.49

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Solution

The fourth proportional to 546,633.06, 754,353.10 and 304,915.49 is: 420,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,633.06 : 754,353.10 = 304,915.49 : x
  2. Step 2: Convert to fraction form
    546,633.06/754,353.10 = 304,915.49/x
  3. Step 3: Cross multiply
    546,633.06x = 754,353.10 × 304,915.49
  4. Step 4: Simplify right side
    546,633.06x = 230,013,944,557.72
  5. Step 5: Solve for x
    x = 230,013,944,557.72/546,633.06
  6. Step 6: Final answer
    x = 420,783.09

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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.