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Finding the Fourth Proportional to 366,533.89, 549,628.29 and 141,999.46

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Solution

The fourth proportional to 366,533.89, 549,628.29 and 141,999.46 is: 212,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,533.89 : 549,628.29 = 141,999.46 : x
  2. Step 2: Convert to fraction form
    366,533.89/549,628.29 = 141,999.46/x
  3. Step 3: Cross multiply
    366,533.89x = 549,628.29 × 141,999.46
  4. Step 4: Simplify right side
    366,533.89x = 78,046,917,632.58
  5. Step 5: Solve for x
    x = 78,046,917,632.58/366,533.89
  6. Step 6: Final answer
    x = 212,932.34

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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.