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Finding the Fourth Proportional to 620,876.86, 935,464.13 and 560,974.96

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Solution

The fourth proportional to 620,876.86, 935,464.13 and 560,974.96 is: 845,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,876.86 : 935,464.13 = 560,974.96 : x
  2. Step 2: Convert to fraction form
    620,876.86/935,464.13 = 560,974.96/x
  3. Step 3: Cross multiply
    620,876.86x = 935,464.13 × 560,974.96
  4. Step 4: Simplify right side
    620,876.86x = 524,771,952,908.19
  5. Step 5: Solve for x
    x = 524,771,952,908.19/620,876.86
  6. Step 6: Final answer
    x = 845,211.00

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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.