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Finding the Fourth Proportional to 706,457.91, 974,937.51 and 404,710.23

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Solution

The fourth proportional to 706,457.91, 974,937.51 and 404,710.23 is: 558,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,457.91 : 974,937.51 = 404,710.23 : x
  2. Step 2: Convert to fraction form
    706,457.91/974,937.51 = 404,710.23/x
  3. Step 3: Cross multiply
    706,457.91x = 974,937.51 × 404,710.23
  4. Step 4: Simplify right side
    706,457.91x = 394,567,183,907.73
  5. Step 5: Solve for x
    x = 394,567,183,907.73/706,457.91
  6. Step 6: Final answer
    x = 558,514.78

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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.