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Finding the Fourth Proportional to 706,498.50, 974,967.93 and 404,711.94

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Solution

The fourth proportional to 706,498.50, 974,967.93 and 404,711.94 is: 558,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,498.50 : 974,967.93 = 404,711.94 : x
  2. Step 2: Convert to fraction form
    706,498.50/974,967.93 = 404,711.94/x
  3. Step 3: Cross multiply
    706,498.50x = 974,967.93 × 404,711.94
  4. Step 4: Simplify right side
    706,498.50x = 394,581,162,388.08
  5. Step 5: Solve for x
    x = 394,581,162,388.08/706,498.50
  6. Step 6: Final answer
    x = 558,502.48

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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.