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Finding the Fourth Proportional to 366,397.90, 549,675.34 and 113,672.96

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Solution

The fourth proportional to 366,397.90, 549,675.34 and 113,672.96 is: 170,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,397.90 : 549,675.34 = 113,672.96 : x
  2. Step 2: Convert to fraction form
    366,397.90/549,675.34 = 113,672.96/x
  3. Step 3: Cross multiply
    366,397.90x = 549,675.34 × 113,672.96
  4. Step 4: Simplify right side
    366,397.90x = 62,483,222,936.81
  5. Step 5: Solve for x
    x = 62,483,222,936.81/366,397.90
  6. Step 6: Final answer
    x = 170,533.79

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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.