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Finding the Fourth Proportional to 442,526, 610,731.96 and 272,755.76

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Solution

The fourth proportional to 442,526, 610,731.96 and 272,755.76 is: 376,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,526 : 610,731.96 = 272,755.76 : x
  2. Step 2: Convert to fraction form
    442,526/610,731.96 = 272,755.76/x
  3. Step 3: Cross multiply
    442,526x = 610,731.96 × 272,755.76
  4. Step 4: Simplify right side
    442,526x = 166,580,659,906.09
  5. Step 5: Solve for x
    x = 166,580,659,906.09/442,526
  6. Step 6: Final answer
    x = 376,431.35

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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.