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Finding the Fourth Proportional to 293,483.58, 440,154.54 and 122,612.98

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Solution

The fourth proportional to 293,483.58, 440,154.54 and 122,612.98 is: 183,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,483.58 : 440,154.54 = 122,612.98 : x
  2. Step 2: Convert to fraction form
    293,483.58/440,154.54 = 122,612.98/x
  3. Step 3: Cross multiply
    293,483.58x = 440,154.54 × 122,612.98
  4. Step 4: Simplify right side
    293,483.58x = 53,968,659,809.93
  5. Step 5: Solve for x
    x = 53,968,659,809.93/293,483.58
  6. Step 6: Final answer
    x = 183,889.88

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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.