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Finding the Fourth Proportional to 337,302.66, 505,898.55 and 121,116.63

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Solution

The fourth proportional to 337,302.66, 505,898.55 and 121,116.63 is: 181,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,302.66 : 505,898.55 = 121,116.63 : x
  2. Step 2: Convert to fraction form
    337,302.66/505,898.55 = 121,116.63/x
  3. Step 3: Cross multiply
    337,302.66x = 505,898.55 × 121,116.63
  4. Step 4: Simplify right side
    337,302.66x = 61,272,727,497.89
  5. Step 5: Solve for x
    x = 61,272,727,497.89/337,302.66
  6. Step 6: Final answer
    x = 181,655.04

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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.