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Finding the Fourth Proportional to 260,020.60, 365,078.60 and 260,020.60

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Solution

The fourth proportional to 260,020.60, 365,078.60 and 260,020.60 is: 365,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,020.60 : 365,078.60 = 260,020.60 : x
  2. Step 2: Convert to fraction form
    260,020.60/365,078.60 = 260,020.60/x
  3. Step 3: Cross multiply
    260,020.60x = 365,078.60 × 260,020.60
  4. Step 4: Simplify right side
    260,020.60x = 94,927,956,619.16
  5. Step 5: Solve for x
    x = 94,927,956,619.16/260,020.60
  6. Step 6: Final answer
    x = 365,078.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.