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Finding the Fourth Proportional to 323,547.80, 485,336.10 and 110,312.60

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Solution

The fourth proportional to 323,547.80, 485,336.10 and 110,312.60 is: 165,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,547.80 : 485,336.10 = 110,312.60 : x
  2. Step 2: Convert to fraction form
    323,547.80/485,336.10 = 110,312.60/x
  3. Step 3: Cross multiply
    323,547.80x = 485,336.10 × 110,312.60
  4. Step 4: Simplify right side
    323,547.80x = 53,538,687,064.86
  5. Step 5: Solve for x
    x = 53,538,687,064.86/323,547.80
  6. Step 6: Final answer
    x = 165,473.81

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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.