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Finding the Fourth Proportional to 582,179.66, 873,219.47 and 354,416.16

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Solution

The fourth proportional to 582,179.66, 873,219.47 and 354,416.16 is: 531,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,179.66 : 873,219.47 = 354,416.16 : x
  2. Step 2: Convert to fraction form
    582,179.66/873,219.47 = 354,416.16/x
  3. Step 3: Cross multiply
    582,179.66x = 873,219.47 × 354,416.16
  4. Step 4: Simplify right side
    582,179.66x = 309,483,089,622.55
  5. Step 5: Solve for x
    x = 309,483,089,622.55/582,179.66
  6. Step 6: Final answer
    x = 531,593.78

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1.5x scale

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.