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Finding the Fourth Proportional to 564,921.70, 847,411.70 and 144,201.22

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Solution

The fourth proportional to 564,921.70, 847,411.70 and 144,201.22 is: 216,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,921.70 : 847,411.70 = 144,201.22 : x
  2. Step 2: Convert to fraction form
    564,921.70/847,411.70 = 144,201.22/x
  3. Step 3: Cross multiply
    564,921.70x = 847,411.70 × 144,201.22
  4. Step 4: Simplify right side
    564,921.70x = 122,197,800,982.27
  5. Step 5: Solve for x
    x = 122,197,800,982.27/564,921.70
  6. Step 6: Final answer
    x = 216,309.27

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1.5x scale

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.