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Finding the Fourth Proportional to 450,444.39, 621,613.20 and 246,495.34

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Solution

The fourth proportional to 450,444.39, 621,613.20 and 246,495.34 is: 340,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,444.39 : 621,613.20 = 246,495.34 : x
  2. Step 2: Convert to fraction form
    450,444.39/621,613.20 = 246,495.34/x
  3. Step 3: Cross multiply
    450,444.39x = 621,613.20 × 246,495.34
  4. Step 4: Simplify right side
    450,444.39x = 153,224,757,082.49
  5. Step 5: Solve for x
    x = 153,224,757,082.49/450,444.39
  6. Step 6: Final answer
    x = 340,163.54

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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.