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Finding the Fourth Proportional to 706,486.03, 974,976.42 and 404,738.35

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Solution

The fourth proportional to 706,486.03, 974,976.42 and 404,738.35 is: 558,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,486.03 : 974,976.42 = 404,738.35 : x
  2. Step 2: Convert to fraction form
    706,486.03/974,976.42 = 404,738.35/x
  3. Step 3: Cross multiply
    706,486.03x = 974,976.42 × 404,738.35
  4. Step 4: Simplify right side
    706,486.03x = 394,610,347,519.71
  5. Step 5: Solve for x
    x = 394,610,347,519.71/706,486.03
  6. Step 6: Final answer
    x = 558,553.65

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1.5x scale

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.