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Finding the Fourth Proportional to 619,044.72, 852,105.60 and 542,383.08

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Solution

The fourth proportional to 619,044.72, 852,105.60 and 542,383.08 is: 746,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,044.72 : 852,105.60 = 542,383.08 : x
  2. Step 2: Convert to fraction form
    619,044.72/852,105.60 = 542,383.08/x
  3. Step 3: Cross multiply
    619,044.72x = 852,105.60 × 542,383.08
  4. Step 4: Simplify right side
    619,044.72x = 462,167,659,813.25
  5. Step 5: Solve for x
    x = 462,167,659,813.25/619,044.72
  6. Step 6: Final answer
    x = 746,582.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.