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Finding the Fourth Proportional to 546,287.76, 819,802.08 and 191,304.72

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Solution

The fourth proportional to 546,287.76, 819,802.08 and 191,304.72 is: 287,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,287.76 : 819,802.08 = 191,304.72 : x
  2. Step 2: Convert to fraction form
    546,287.76/819,802.08 = 191,304.72/x
  3. Step 3: Cross multiply
    546,287.76x = 819,802.08 × 191,304.72
  4. Step 4: Simplify right side
    546,287.76x = 156,832,007,369.82
  5. Step 5: Solve for x
    x = 156,832,007,369.82/546,287.76
  6. Step 6: Final answer
    x = 287,086.80

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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.