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Finding the Fourth Proportional to 348,046.70, 522,070.05 and 181,813.10

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Solution

The fourth proportional to 348,046.70, 522,070.05 and 181,813.10 is: 272,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,046.70 : 522,070.05 = 181,813.10 : x
  2. Step 2: Convert to fraction form
    348,046.70/522,070.05 = 181,813.10/x
  3. Step 3: Cross multiply
    348,046.70x = 522,070.05 × 181,813.10
  4. Step 4: Simplify right side
    348,046.70x = 94,919,174,207.66
  5. Step 5: Solve for x
    x = 94,919,174,207.66/348,046.70
  6. Step 6: Final answer
    x = 272,719.65

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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.