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Finding the Fourth Proportional to 494,476.99, 745,421.60 and 461,519.91

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Solution

The fourth proportional to 494,476.99, 745,421.60 and 461,519.91 is: 695,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,476.99 : 745,421.60 = 461,519.91 : x
  2. Step 2: Convert to fraction form
    494,476.99/745,421.60 = 461,519.91/x
  3. Step 3: Cross multiply
    494,476.99x = 745,421.60 × 461,519.91
  4. Step 4: Simplify right side
    494,476.99x = 344,026,910,897.86
  5. Step 5: Solve for x
    x = 344,026,910,897.86/494,476.99
  6. Step 6: Final answer
    x = 695,738.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.