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Finding the Fourth Proportional to 366,051.60, 549,077.40 and 254,077.20

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Solution

The fourth proportional to 366,051.60, 549,077.40 and 254,077.20 is: 381,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,051.60 : 549,077.40 = 254,077.20 : x
  2. Step 2: Convert to fraction form
    366,051.60/549,077.40 = 254,077.20/x
  3. Step 3: Cross multiply
    366,051.60x = 549,077.40 × 254,077.20
  4. Step 4: Simplify right side
    366,051.60x = 139,508,048,375.28
  5. Step 5: Solve for x
    x = 139,508,048,375.28/366,051.60
  6. Step 6: Final answer
    x = 381,115.80

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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.