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Finding the Fourth Proportional to 238,475.60, 358,404.60 and 208,062.80

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Solution

The fourth proportional to 238,475.60, 358,404.60 and 208,062.80 is: 312,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,475.60 : 358,404.60 = 208,062.80 : x
  2. Step 2: Convert to fraction form
    238,475.60/358,404.60 = 208,062.80/x
  3. Step 3: Cross multiply
    238,475.60x = 358,404.60 × 208,062.80
  4. Step 4: Simplify right side
    238,475.60x = 74,570,664,608.88
  5. Step 5: Solve for x
    x = 74,570,664,608.88/238,475.60
  6. Step 6: Final answer
    x = 312,697.25

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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.