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Finding the Fourth Proportional to 562,576.23, 776,201.67 and 320,770.58

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Solution

The fourth proportional to 562,576.23, 776,201.67 and 320,770.58 is: 442,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,576.23 : 776,201.67 = 320,770.58 : x
  2. Step 2: Convert to fraction form
    562,576.23/776,201.67 = 320,770.58/x
  3. Step 3: Cross multiply
    562,576.23x = 776,201.67 × 320,770.58
  4. Step 4: Simplify right side
    562,576.23x = 248,982,656,001.86
  5. Step 5: Solve for x
    x = 248,982,656,001.86/562,576.23
  6. Step 6: Final answer
    x = 442,575.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.