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Finding the Fourth Proportional to 577,072.68, 796,401.53 and 318,944.07

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Solution

The fourth proportional to 577,072.68, 796,401.53 and 318,944.07 is: 440,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,072.68 : 796,401.53 = 318,944.07 : x
  2. Step 2: Convert to fraction form
    577,072.68/796,401.53 = 318,944.07/x
  3. Step 3: Cross multiply
    577,072.68x = 796,401.53 × 318,944.07
  4. Step 4: Simplify right side
    577,072.68x = 254,007,543,737.71
  5. Step 5: Solve for x
    x = 254,007,543,737.71/577,072.68
  6. Step 6: Final answer
    x = 440,165.60

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1.5x scale

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.