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Finding the Fourth Proportional to 510,521.72, 765,428.13 and 226,057.26

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Solution

The fourth proportional to 510,521.72, 765,428.13 and 226,057.26 is: 338,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,521.72 : 765,428.13 = 226,057.26 : x
  2. Step 2: Convert to fraction form
    510,521.72/765,428.13 = 226,057.26/x
  3. Step 3: Cross multiply
    510,521.72x = 765,428.13 × 226,057.26
  4. Step 4: Simplify right side
    510,521.72x = 173,030,587,050.50
  5. Step 5: Solve for x
    x = 173,030,587,050.50/510,521.72
  6. Step 6: Final answer
    x = 338,928.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.