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Finding the Fourth Proportional to 719,595.06, 993,056.67 and 397,325.52

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Solution

The fourth proportional to 719,595.06, 993,056.67 and 397,325.52 is: 548,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,595.06 : 993,056.67 = 397,325.52 : x
  2. Step 2: Convert to fraction form
    719,595.06/993,056.67 = 397,325.52/x
  3. Step 3: Cross multiply
    719,595.06x = 993,056.67 × 397,325.52
  4. Step 4: Simplify right side
    719,595.06x = 394,566,757,797.22
  5. Step 5: Solve for x
    x = 394,566,757,797.22/719,595.06
  6. Step 6: Final answer
    x = 548,317.77

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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.