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Finding the Fourth Proportional to 554,396.22, 765,065.07 and 299,747.34

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Solution

The fourth proportional to 554,396.22, 765,065.07 and 299,747.34 is: 413,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,396.22 : 765,065.07 = 299,747.34 : x
  2. Step 2: Convert to fraction form
    554,396.22/765,065.07 = 299,747.34/x
  3. Step 3: Cross multiply
    554,396.22x = 765,065.07 × 299,747.34
  4. Step 4: Simplify right side
    554,396.22x = 229,326,219,659.41
  5. Step 5: Solve for x
    x = 229,326,219,659.41/554,396.22
  6. Step 6: Final answer
    x = 413,650.40

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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.