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Finding the Fourth Proportional to 606,849.74, 905,660.22 and 539,590.98

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Solution

The fourth proportional to 606,849.74, 905,660.22 and 539,590.98 is: 805,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,849.74 : 905,660.22 = 539,590.98 : x
  2. Step 2: Convert to fraction form
    606,849.74/905,660.22 = 539,590.98/x
  3. Step 3: Cross multiply
    606,849.74x = 905,660.22 × 539,590.98
  4. Step 4: Simplify right side
    606,849.74x = 488,686,085,656.82
  5. Step 5: Solve for x
    x = 488,686,085,656.82/606,849.74
  6. Step 6: Final answer
    x = 805,283.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.