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Finding the Fourth Proportional to 366,390.53, 549,664.16 and 113,665.53

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Solution

The fourth proportional to 366,390.53, 549,664.16 and 113,665.53 is: 170,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,390.53 : 549,664.16 = 113,665.53 : x
  2. Step 2: Convert to fraction form
    366,390.53/549,664.16 = 113,665.53/x
  3. Step 3: Cross multiply
    366,390.53x = 549,664.16 × 113,665.53
  4. Step 4: Simplify right side
    366,390.53x = 62,477,867,500.08
  5. Step 5: Solve for x
    x = 62,477,867,500.08/366,390.53
  6. Step 6: Final answer
    x = 170,522.61

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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.