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Finding the Fourth Proportional to 546,653.20, 819,979.80 and 191,703.10

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Solution

The fourth proportional to 546,653.20, 819,979.80 and 191,703.10 is: 287,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,653.20 : 819,979.80 = 191,703.10 : x
  2. Step 2: Convert to fraction form
    546,653.20/819,979.80 = 191,703.10/x
  3. Step 3: Cross multiply
    546,653.20x = 819,979.80 × 191,703.10
  4. Step 4: Simplify right side
    546,653.20x = 157,192,669,597.38
  5. Step 5: Solve for x
    x = 157,192,669,597.38/546,653.20
  6. Step 6: Final answer
    x = 287,554.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.