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Finding the Fourth Proportional to 571,003.68, 856,439.28 and 150,312.36

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Solution

The fourth proportional to 571,003.68, 856,439.28 and 150,312.36 is: 225,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,003.68 : 856,439.28 = 150,312.36 : x
  2. Step 2: Convert to fraction form
    571,003.68/856,439.28 = 150,312.36/x
  3. Step 3: Cross multiply
    571,003.68x = 856,439.28 × 150,312.36
  4. Step 4: Simplify right side
    571,003.68x = 128,733,409,373.50
  5. Step 5: Solve for x
    x = 128,733,409,373.50/571,003.68
  6. Step 6: Final answer
    x = 225,451.10

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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.