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Finding the Fourth Proportional to 618,802.28, 928,204.23 and 169,527.10

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Solution

The fourth proportional to 618,802.28, 928,204.23 and 169,527.10 is: 254,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,802.28 : 928,204.23 = 169,527.10 : x
  2. Step 2: Convert to fraction form
    618,802.28/928,204.23 = 169,527.10/x
  3. Step 3: Cross multiply
    618,802.28x = 928,204.23 × 169,527.10
  4. Step 4: Simplify right side
    618,802.28x = 157,355,771,319.63
  5. Step 5: Solve for x
    x = 157,355,771,319.63/618,802.28
  6. Step 6: Final answer
    x = 254,290.87

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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.