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Finding the Fourth Proportional to 366,665.18, 549,976.25 and 100,406.10

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Solution

The fourth proportional to 366,665.18, 549,976.25 and 100,406.10 is: 150,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,665.18 : 549,976.25 = 100,406.10 : x
  2. Step 2: Convert to fraction form
    366,665.18/549,976.25 = 100,406.10/x
  3. Step 3: Cross multiply
    366,665.18x = 549,976.25 × 100,406.10
  4. Step 4: Simplify right side
    366,665.18x = 55,220,970,355.13
  5. Step 5: Solve for x
    x = 55,220,970,355.13/366,665.18
  6. Step 6: Final answer
    x = 150,603.26

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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.