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Finding the Fourth Proportional to 483,613.16, 666,682.79 and 337,966.76

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Solution

The fourth proportional to 483,613.16, 666,682.79 and 337,966.76 is: 465,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,613.16 : 666,682.79 = 337,966.76 : x
  2. Step 2: Convert to fraction form
    483,613.16/666,682.79 = 337,966.76/x
  3. Step 3: Cross multiply
    483,613.16x = 666,682.79 × 337,966.76
  4. Step 4: Simplify right side
    483,613.16x = 225,316,621,074.16
  5. Step 5: Solve for x
    x = 225,316,621,074.16/483,613.16
  6. Step 6: Final answer
    x = 465,902.58

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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.