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Finding the Fourth Proportional to 914,322.70, 1,276,902.50 and 914,322.70

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Solution

The fourth proportional to 914,322.70, 1,276,902.50 and 914,322.70 is: 1,276,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,322.70 : 1,276,902.50 = 914,322.70 : x
  2. Step 2: Convert to fraction form
    914,322.70/1,276,902.50 = 914,322.70/x
  3. Step 3: Cross multiply
    914,322.70x = 1,276,902.50 × 914,322.70
  4. Step 4: Simplify right side
    914,322.70x = 1,167,500,941,436.75
  5. Step 5: Solve for x
    x = 1,167,500,941,436.75/914,322.70
  6. Step 6: Final answer
    x = 1,276,902.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.