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Finding the Fourth Proportional to 510,992.02, 700,062.11 and 491,838.22

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Solution

The fourth proportional to 510,992.02, 700,062.11 and 491,838.22 is: 673,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,992.02 : 700,062.11 = 491,838.22 : x
  2. Step 2: Convert to fraction form
    510,992.02/700,062.11 = 491,838.22/x
  3. Step 3: Cross multiply
    510,992.02x = 700,062.11 × 491,838.22
  4. Step 4: Simplify right side
    510,992.02x = 344,317,302,071.84
  5. Step 5: Solve for x
    x = 344,317,302,071.84/510,992.02
  6. Step 6: Final answer
    x = 673,821.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.