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Finding the Fourth Proportional to 401,863.17, 554,598.90 and 265,660.91

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Solution

The fourth proportional to 401,863.17, 554,598.90 and 265,660.91 is: 366,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,863.17 : 554,598.90 = 265,660.91 : x
  2. Step 2: Convert to fraction form
    401,863.17/554,598.90 = 265,660.91/x
  3. Step 3: Cross multiply
    401,863.17x = 554,598.90 × 265,660.91
  4. Step 4: Simplify right side
    401,863.17x = 147,335,250,885.37
  5. Step 5: Solve for x
    x = 147,335,250,885.37/401,863.17
  6. Step 6: Final answer
    x = 366,630.39

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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.