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Finding the Fourth Proportional to 577,390.80, 865,625.40 and 244,693.20

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Solution

The fourth proportional to 577,390.80, 865,625.40 and 244,693.20 is: 366,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,390.80 : 865,625.40 = 244,693.20 : x
  2. Step 2: Convert to fraction form
    577,390.80/865,625.40 = 244,693.20/x
  3. Step 3: Cross multiply
    577,390.80x = 865,625.40 × 244,693.20
  4. Step 4: Simplify right side
    577,390.80x = 211,812,649,127.28
  5. Step 5: Solve for x
    x = 211,812,649,127.28/577,390.80
  6. Step 6: Final answer
    x = 366,844.52

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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.