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Finding the Fourth Proportional to 577,706.67, 797,173.92 and 319,542.48

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Solution

The fourth proportional to 577,706.67, 797,173.92 and 319,542.48 is: 440,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,706.67 : 797,173.92 = 319,542.48 : x
  2. Step 2: Convert to fraction form
    577,706.67/797,173.92 = 319,542.48/x
  3. Step 3: Cross multiply
    577,706.67x = 797,173.92 × 319,542.48
  4. Step 4: Simplify right side
    577,706.67x = 254,730,931,388.12
  5. Step 5: Solve for x
    x = 254,730,931,388.12/577,706.67
  6. Step 6: Final answer
    x = 440,934.72

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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.