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Finding the Fourth Proportional to 546,528.44, 819,817.27 and 167,421.51

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Solution

The fourth proportional to 546,528.44, 819,817.27 and 167,421.51 is: 251,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,528.44 : 819,817.27 = 167,421.51 : x
  2. Step 2: Convert to fraction form
    546,528.44/819,817.27 = 167,421.51/x
  3. Step 3: Cross multiply
    546,528.44x = 819,817.27 × 167,421.51
  4. Step 4: Simplify right side
    546,528.44x = 137,255,044,848.92
  5. Step 5: Solve for x
    x = 137,255,044,848.92/546,528.44
  6. Step 6: Final answer
    x = 251,139.80

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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.