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Finding the Fourth Proportional to 366,215.60, 549,360.01 and 126,297.89

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Solution

The fourth proportional to 366,215.60, 549,360.01 and 126,297.89 is: 189,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,215.60 : 549,360.01 = 126,297.89 : x
  2. Step 2: Convert to fraction form
    366,215.60/549,360.01 = 126,297.89/x
  3. Step 3: Cross multiply
    366,215.60x = 549,360.01 × 126,297.89
  4. Step 4: Simplify right side
    366,215.60x = 69,383,010,113.38
  5. Step 5: Solve for x
    x = 69,383,010,113.38/366,215.60
  6. Step 6: Final answer
    x = 189,459.46

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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.