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Finding the Fourth Proportional to 497,271.88, 746,429.60 and 440,707.66

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Solution

The fourth proportional to 497,271.88, 746,429.60 and 440,707.66 is: 661,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,271.88 : 746,429.60 = 440,707.66 : x
  2. Step 2: Convert to fraction form
    497,271.88/746,429.60 = 440,707.66/x
  3. Step 3: Cross multiply
    497,271.88x = 746,429.60 × 440,707.66
  4. Step 4: Simplify right side
    497,271.88x = 328,957,242,033.27
  5. Step 5: Solve for x
    x = 328,957,242,033.27/497,271.88
  6. Step 6: Final answer
    x = 661,523.92

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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.