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Finding the Fourth Proportional to 466,563.36, 643,696.56 and 262,572.96

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Solution

The fourth proportional to 466,563.36, 643,696.56 and 262,572.96 is: 362,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,563.36 : 643,696.56 = 262,572.96 : x
  2. Step 2: Convert to fraction form
    466,563.36/643,696.56 = 262,572.96/x
  3. Step 3: Cross multiply
    466,563.36x = 643,696.56 × 262,572.96
  4. Step 4: Simplify right side
    466,563.36x = 169,017,311,101.02
  5. Step 5: Solve for x
    x = 169,017,311,101.02/466,563.36
  6. Step 6: Final answer
    x = 362,260.15

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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.