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Finding the Fourth Proportional to 656,812.72, 985,221.48 and 183,497.32

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Solution

The fourth proportional to 656,812.72, 985,221.48 and 183,497.32 is: 275,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,812.72 : 985,221.48 = 183,497.32 : x
  2. Step 2: Convert to fraction form
    656,812.72/985,221.48 = 183,497.32/x
  3. Step 3: Cross multiply
    656,812.72x = 985,221.48 × 183,497.32
  4. Step 4: Simplify right side
    656,812.72x = 180,785,501,186.43
  5. Step 5: Solve for x
    x = 180,785,501,186.43/656,812.72
  6. Step 6: Final answer
    x = 275,246.65

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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.