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Finding the Fourth Proportional to 606,762.72, 905,530.28 and 539,504.80

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Solution

The fourth proportional to 606,762.72, 905,530.28 and 539,504.80 is: 805,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,762.72 : 905,530.28 = 539,504.80 : x
  2. Step 2: Convert to fraction form
    606,762.72/905,530.28 = 539,504.80/x
  3. Step 3: Cross multiply
    606,762.72x = 905,530.28 × 539,504.80
  4. Step 4: Simplify right side
    606,762.72x = 488,537,932,605.34
  5. Step 5: Solve for x
    x = 488,537,932,605.34/606,762.72
  6. Step 6: Final answer
    x = 805,154.83

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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.