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Finding the Fourth Proportional to 366,306.51, 549,376.74 and 129,649.22

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Solution

The fourth proportional to 366,306.51, 549,376.74 and 129,649.22 is: 194,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,306.51 : 549,376.74 = 129,649.22 : x
  2. Step 2: Convert to fraction form
    366,306.51/549,376.74 = 129,649.22/x
  3. Step 3: Cross multiply
    366,306.51x = 549,376.74 × 129,649.22
  4. Step 4: Simplify right side
    366,306.51x = 71,226,263,777.62
  5. Step 5: Solve for x
    x = 71,226,263,777.62/366,306.51
  6. Step 6: Final answer
    x = 194,444.44

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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.