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Finding the Fourth Proportional to 606,749.72, 837,582.62 and 391,993.88

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Solution

The fourth proportional to 606,749.72, 837,582.62 and 391,993.88 is: 541,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,749.72 : 837,582.62 = 391,993.88 : x
  2. Step 2: Convert to fraction form
    606,749.72/837,582.62 = 391,993.88/x
  3. Step 3: Cross multiply
    606,749.72x = 837,582.62 × 391,993.88
  4. Step 4: Simplify right side
    606,749.72x = 328,327,261,034.37
  5. Step 5: Solve for x
    x = 328,327,261,034.37/606,749.72
  6. Step 6: Final answer
    x = 541,124.70

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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.