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Finding the Fourth Proportional to 545,683.98, 753,014.66 and 300,661.14

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Solution

The fourth proportional to 545,683.98, 753,014.66 and 300,661.14 is: 414,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,683.98 : 753,014.66 = 300,661.14 : x
  2. Step 2: Convert to fraction form
    545,683.98/753,014.66 = 300,661.14/x
  3. Step 3: Cross multiply
    545,683.98x = 753,014.66 × 300,661.14
  4. Step 4: Simplify right side
    545,683.98x = 226,402,246,112.31
  5. Step 5: Solve for x
    x = 226,402,246,112.31/545,683.98
  6. Step 6: Final answer
    x = 414,896.27

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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.