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Finding the Fourth Proportional to 567,424.80, 851,068.08 and 146,665.44

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Solution

The fourth proportional to 567,424.80, 851,068.08 and 146,665.44 is: 219,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,424.80 : 851,068.08 = 146,665.44 : x
  2. Step 2: Convert to fraction form
    567,424.80/851,068.08 = 146,665.44/x
  3. Step 3: Cross multiply
    567,424.80x = 851,068.08 × 146,665.44
  4. Step 4: Simplify right side
    567,424.80x = 124,822,274,423.16
  5. Step 5: Solve for x
    x = 124,822,274,423.16/567,424.80
  6. Step 6: Final answer
    x = 219,980.29

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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.