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Finding the Fourth Proportional to 540,613.46, 746,033.45 and 298,889.82

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Solution

The fourth proportional to 540,613.46, 746,033.45 and 298,889.82 is: 412,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,613.46 : 746,033.45 = 298,889.82 : x
  2. Step 2: Convert to fraction form
    540,613.46/746,033.45 = 298,889.82/x
  3. Step 3: Cross multiply
    540,613.46x = 746,033.45 × 298,889.82
  4. Step 4: Simplify right side
    540,613.46x = 222,981,802,090.03
  5. Step 5: Solve for x
    x = 222,981,802,090.03/540,613.46
  6. Step 6: Final answer
    x = 412,460.69

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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.