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Finding the Fourth Proportional to 546,051.90, 819,077.85 and 488,315.10

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Solution

The fourth proportional to 546,051.90, 819,077.85 and 488,315.10 is: 732,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,051.90 : 819,077.85 = 488,315.10 : x
  2. Step 2: Convert to fraction form
    546,051.90/819,077.85 = 488,315.10/x
  3. Step 3: Cross multiply
    546,051.90x = 819,077.85 × 488,315.10
  4. Step 4: Simplify right side
    546,051.90x = 399,968,082,230.54
  5. Step 5: Solve for x
    x = 399,968,082,230.54/546,051.90
  6. Step 6: Final answer
    x = 732,472.65

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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.