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Finding the Fourth Proportional to 567,394.48, 851,120.88 and 146,674

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Solution

The fourth proportional to 567,394.48, 851,120.88 and 146,674 is: 220,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,394.48 : 851,120.88 = 146,674 : x
  2. Step 2: Convert to fraction form
    567,394.48/851,120.88 = 146,674/x
  3. Step 3: Cross multiply
    567,394.48x = 851,120.88 × 146,674
  4. Step 4: Simplify right side
    567,394.48x = 124,837,303,953.12
  5. Step 5: Solve for x
    x = 124,837,303,953.12/567,394.48
  6. Step 6: Final answer
    x = 220,018.54

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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.