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Finding the Fourth Proportional to 631,010.56, 870,794.88 and 362,722.56

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Solution

The fourth proportional to 631,010.56, 870,794.88 and 362,722.56 is: 500,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,010.56 : 870,794.88 = 362,722.56 : x
  2. Step 2: Convert to fraction form
    631,010.56/870,794.88 = 362,722.56/x
  3. Step 3: Cross multiply
    631,010.56x = 870,794.88 × 362,722.56
  4. Step 4: Simplify right side
    631,010.56x = 315,856,948,108.49
  5. Step 5: Solve for x
    x = 315,856,948,108.49/631,010.56
  6. Step 6: Final answer
    x = 500,557.31

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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.