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Finding the Fourth Proportional to 557,178.74, 835,769.03 and 178,130.04

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Solution

The fourth proportional to 557,178.74, 835,769.03 and 178,130.04 is: 267,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,178.74 : 835,769.03 = 178,130.04 : x
  2. Step 2: Convert to fraction form
    557,178.74/835,769.03 = 178,130.04/x
  3. Step 3: Cross multiply
    557,178.74x = 835,769.03 × 178,130.04
  4. Step 4: Simplify right side
    557,178.74x = 148,875,569,854.01
  5. Step 5: Solve for x
    x = 148,875,569,854.01/557,178.74
  6. Step 6: Final answer
    x = 267,195.35

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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.