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Finding the Fourth Proportional to 719,596.06, 993,058.04 and 397,326.52

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Solution

The fourth proportional to 719,596.06, 993,058.04 and 397,326.52 is: 548,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,596.06 : 993,058.04 = 397,326.52 : x
  2. Step 2: Convert to fraction form
    719,596.06/993,058.04 = 397,326.52/x
  3. Step 3: Cross multiply
    719,596.06x = 993,058.04 × 397,326.52
  4. Step 4: Simplify right side
    719,596.06x = 394,568,295,191.22
  5. Step 5: Solve for x
    x = 394,568,295,191.22/719,596.06
  6. Step 6: Final answer
    x = 548,319.14

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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.