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Finding the Fourth Proportional to 518,468.74, 777,808.98 and 293,929.48

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Solution

The fourth proportional to 518,468.74, 777,808.98 and 293,929.48 is: 440,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,468.74 : 777,808.98 = 293,929.48 : x
  2. Step 2: Convert to fraction form
    518,468.74/777,808.98 = 293,929.48/x
  3. Step 3: Cross multiply
    518,468.74x = 777,808.98 × 293,929.48
  4. Step 4: Simplify right side
    518,468.74x = 228,620,989,030.73
  5. Step 5: Solve for x
    x = 228,620,989,030.73/518,468.74
  6. Step 6: Final answer
    x = 440,954.24

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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.