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Finding the Fourth Proportional to 631,017.04, 870,796.92 and 344,536.24

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Solution

The fourth proportional to 631,017.04, 870,796.92 and 344,536.24 is: 475,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,017.04 : 870,796.92 = 344,536.24 : x
  2. Step 2: Convert to fraction form
    631,017.04/870,796.92 = 344,536.24/x
  3. Step 3: Cross multiply
    631,017.04x = 870,796.92 × 344,536.24
  4. Step 4: Simplify right side
    631,017.04x = 300,021,096,620.38
  5. Step 5: Solve for x
    x = 300,021,096,620.38/631,017.04
  6. Step 6: Final answer
    x = 475,456.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.