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Finding the Fourth Proportional to 366,381.40, 549,650.47 and 113,656.41

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Solution

The fourth proportional to 366,381.40, 549,650.47 and 113,656.41 is: 170,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,381.40 : 549,650.47 = 113,656.41 : x
  2. Step 2: Convert to fraction form
    366,381.40/549,650.47 = 113,656.41/x
  3. Step 3: Cross multiply
    366,381.40x = 549,650.47 × 113,656.41
  4. Step 4: Simplify right side
    366,381.40x = 62,471,299,175.01
  5. Step 5: Solve for x
    x = 62,471,299,175.01/366,381.40
  6. Step 6: Final answer
    x = 170,508.93

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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.