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Finding the Fourth Proportional to 208,296.60, 312,444.90 and 58,530.84

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Solution

The fourth proportional to 208,296.60, 312,444.90 and 58,530.84 is: 87,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,296.60 : 312,444.90 = 58,530.84 : x
  2. Step 2: Convert to fraction form
    208,296.60/312,444.90 = 58,530.84/x
  3. Step 3: Cross multiply
    208,296.60x = 312,444.90 × 58,530.84
  4. Step 4: Simplify right side
    208,296.60x = 18,287,662,450.72
  5. Step 5: Solve for x
    x = 18,287,662,450.72/208,296.60
  6. Step 6: Final answer
    x = 87,796.26

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1.5x scale

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.