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Finding the Fourth Proportional to 580,743.60, 870,703.56 and 225,458.16

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Solution

The fourth proportional to 580,743.60, 870,703.56 and 225,458.16 is: 338,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,743.60 : 870,703.56 = 225,458.16 : x
  2. Step 2: Convert to fraction form
    580,743.60/870,703.56 = 225,458.16/x
  3. Step 3: Cross multiply
    580,743.60x = 870,703.56 × 225,458.16
  4. Step 4: Simplify right side
    580,743.60x = 196,307,222,543.05
  5. Step 5: Solve for x
    x = 196,307,222,543.05/580,743.60
  6. Step 6: Final answer
    x = 338,027.35

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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.