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Finding the Fourth Proportional to 225,224.76, 310,789.01 and 152,479.67

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Solution

The fourth proportional to 225,224.76, 310,789.01 and 152,479.67 is: 210,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,224.76 : 310,789.01 = 152,479.67 : x
  2. Step 2: Convert to fraction form
    225,224.76/310,789.01 = 152,479.67/x
  3. Step 3: Cross multiply
    225,224.76x = 310,789.01 × 152,479.67
  4. Step 4: Simplify right side
    225,224.76x = 47,389,005,699.00
  5. Step 5: Solve for x
    x = 47,389,005,699.00/225,224.76
  6. Step 6: Final answer
    x = 210,407.62

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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.