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Finding the Fourth Proportional to 546,126.74, 753,978.22 and 485,530.01

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Solution

The fourth proportional to 546,126.74, 753,978.22 and 485,530.01 is: 670,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,126.74 : 753,978.22 = 485,530.01 : x
  2. Step 2: Convert to fraction form
    546,126.74/753,978.22 = 485,530.01/x
  3. Step 3: Cross multiply
    546,126.74x = 753,978.22 × 485,530.01
  4. Step 4: Simplify right side
    546,126.74x = 366,079,052,696.38
  5. Step 5: Solve for x
    x = 366,079,052,696.38/546,126.74
  6. Step 6: Final answer
    x = 670,318.86

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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.