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Finding the Fourth Proportional to 1,245,962.07, 1,719,428.35 and 673,002.24

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Solution

The fourth proportional to 1,245,962.07, 1,719,428.35 and 673,002.24 is: 928,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,962.07 : 1,719,428.35 = 673,002.24 : x
  2. Step 2: Convert to fraction form
    1,245,962.07/1,719,428.35 = 673,002.24/x
  3. Step 3: Cross multiply
    1,245,962.07x = 1,719,428.35 × 673,002.24
  4. Step 4: Simplify right side
    1,245,962.07x = 1,157,179,132,003.06
  5. Step 5: Solve for x
    x = 1,157,179,132,003.06/1,245,962.07
  6. Step 6: Final answer
    x = 928,743.47

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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.