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Finding the Fourth Proportional to 618,801.28, 928,202.73 and 169,526.10

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Solution

The fourth proportional to 618,801.28, 928,202.73 and 169,526.10 is: 254,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,801.28 : 928,202.73 = 169,526.10 : x
  2. Step 2: Convert to fraction form
    618,801.28/928,202.73 = 169,526.10/x
  3. Step 3: Cross multiply
    618,801.28x = 928,202.73 × 169,526.10
  4. Step 4: Simplify right side
    618,801.28x = 157,354,588,826.25
  5. Step 5: Solve for x
    x = 157,354,588,826.25/618,801.28
  6. Step 6: Final answer
    x = 254,289.37

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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.