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Finding the Fourth Proportional to 886,895.31, 1,223,916.72 and 504,922.10

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Solution

The fourth proportional to 886,895.31, 1,223,916.72 and 504,922.10 is: 696,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,895.31 : 1,223,916.72 = 504,922.10 : x
  2. Step 2: Convert to fraction form
    886,895.31/1,223,916.72 = 504,922.10/x
  3. Step 3: Cross multiply
    886,895.31x = 1,223,916.72 × 504,922.10
  4. Step 4: Simplify right side
    886,895.31x = 617,982,592,474.47
  5. Step 5: Solve for x
    x = 617,982,592,474.47/886,895.31
  6. Step 6: Final answer
    x = 696,793.16

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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.