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Finding the Fourth Proportional to 995,004, 1,373,142.60 and 565,356.90

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Solution

The fourth proportional to 995,004, 1,373,142.60 and 565,356.90 is: 780,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,004 : 1,373,142.60 = 565,356.90 : x
  2. Step 2: Convert to fraction form
    995,004/1,373,142.60 = 565,356.90/x
  3. Step 3: Cross multiply
    995,004x = 1,373,142.60 × 565,356.90
  4. Step 4: Simplify right side
    995,004x = 776,315,643,593.94
  5. Step 5: Solve for x
    x = 776,315,643,593.94/995,004
  6. Step 6: Final answer
    x = 780,213.59

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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.