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Finding the Fourth Proportional to 620,878.86, 935,467.14 and 560,976.96

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Solution

The fourth proportional to 620,878.86, 935,467.14 and 560,976.96 is: 845,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,878.86 : 935,467.14 = 560,976.96 : x
  2. Step 2: Convert to fraction form
    620,878.86/935,467.14 = 560,976.96/x
  3. Step 3: Cross multiply
    620,878.86x = 935,467.14 × 560,976.96
  4. Step 4: Simplify right side
    620,878.86x = 524,775,512,377.09
  5. Step 5: Solve for x
    x = 524,775,512,377.09/620,878.86
  6. Step 6: Final answer
    x = 845,214.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.