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Finding the Fourth Proportional to 1,294,573.03, 1,787,276.16 and 1,150,935.46

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Solution

The fourth proportional to 1,294,573.03, 1,787,276.16 and 1,150,935.46 is: 1,588,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,573.03 : 1,787,276.16 = 1,150,935.46 : x
  2. Step 2: Convert to fraction form
    1,294,573.03/1,787,276.16 = 1,150,935.46/x
  3. Step 3: Cross multiply
    1,294,573.03x = 1,787,276.16 × 1,150,935.46
  4. Step 4: Simplify right side
    1,294,573.03x = 2,057,039,500,420.25
  5. Step 5: Solve for x
    x = 2,057,039,500,420.25/1,294,573.03
  6. Step 6: Final answer
    x = 1,588,971.39

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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.