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Finding the Fourth Proportional to 719,803.67, 1,080,369.70 and 365,066.80

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Solution

The fourth proportional to 719,803.67, 1,080,369.70 and 365,066.80 is: 547,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,803.67 : 1,080,369.70 = 365,066.80 : x
  2. Step 2: Convert to fraction form
    719,803.67/1,080,369.70 = 365,066.80/x
  3. Step 3: Cross multiply
    719,803.67x = 1,080,369.70 × 365,066.80
  4. Step 4: Simplify right side
    719,803.67x = 394,407,105,582.37
  5. Step 5: Solve for x
    x = 394,407,105,582.37/719,803.67
  6. Step 6: Final answer
    x = 547,937.06

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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.