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Finding the Fourth Proportional to 225,481.70, 310,803.40 and 152,862.36

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Solution

The fourth proportional to 225,481.70, 310,803.40 and 152,862.36 is: 210,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,481.70 : 310,803.40 = 152,862.36 : x
  2. Step 2: Convert to fraction form
    225,481.70/310,803.40 = 152,862.36/x
  3. Step 3: Cross multiply
    225,481.70x = 310,803.40 × 152,862.36
  4. Step 4: Simplify right side
    225,481.70x = 47,510,141,220.02
  5. Step 5: Solve for x
    x = 47,510,141,220.02/225,481.70
  6. Step 6: Final answer
    x = 210,705.09

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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.