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Finding the Fourth Proportional to 366,906.68, 549,621.90 and 247,332.45

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Solution

The fourth proportional to 366,906.68, 549,621.90 and 247,332.45 is: 370,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,906.68 : 549,621.90 = 247,332.45 : x
  2. Step 2: Convert to fraction form
    366,906.68/549,621.90 = 247,332.45/x
  3. Step 3: Cross multiply
    366,906.68x = 549,621.90 × 247,332.45
  4. Step 4: Simplify right side
    366,906.68x = 135,939,331,100.66
  5. Step 5: Solve for x
    x = 135,939,331,100.66/366,906.68
  6. Step 6: Final answer
    x = 370,501.11

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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.