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Finding the Fourth Proportional to 580,572.81, 870,914.16 and 225,614.19

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Solution

The fourth proportional to 580,572.81, 870,914.16 and 225,614.19 is: 338,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,572.81 : 870,914.16 = 225,614.19 : x
  2. Step 2: Convert to fraction form
    580,572.81/870,914.16 = 225,614.19/x
  3. Step 3: Cross multiply
    580,572.81x = 870,914.16 × 225,614.19
  4. Step 4: Simplify right side
    580,572.81x = 196,490,592,767.93
  5. Step 5: Solve for x
    x = 196,490,592,767.93/580,572.81
  6. Step 6: Final answer
    x = 338,442.64

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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.