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Finding the Fourth Proportional to 577,997.60, 807,622 and 577,997.60

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Solution

The fourth proportional to 577,997.60, 807,622 and 577,997.60 is: 807,622

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,997.60 : 807,622 = 577,997.60 : x
  2. Step 2: Convert to fraction form
    577,997.60/807,622 = 577,997.60/x
  3. Step 3: Cross multiply
    577,997.60x = 807,622 × 577,997.60
  4. Step 4: Simplify right side
    577,997.60x = 466,803,577,707.20
  5. Step 5: Solve for x
    x = 466,803,577,707.20/577,997.60
  6. Step 6: Final answer
    x = 807,622

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1.5x scale

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.