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Finding the Fourth Proportional to 914,296.80, 1,368,334.80 and 802,322.40

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Solution

The fourth proportional to 914,296.80, 1,368,334.80 and 802,322.40 is: 1,200,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,296.80 : 1,368,334.80 = 802,322.40 : x
  2. Step 2: Convert to fraction form
    914,296.80/1,368,334.80 = 802,322.40/x
  3. Step 3: Cross multiply
    914,296.80x = 1,368,334.80 × 802,322.40
  4. Step 4: Simplify right side
    914,296.80x = 1,097,845,660,739.52
  5. Step 5: Solve for x
    x = 1,097,845,660,739.52/914,296.80
  6. Step 6: Final answer
    x = 1,200,754.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.