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Finding the Fourth Proportional to 706,481.39, 974,969.90 and 404,733.71

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Solution

The fourth proportional to 706,481.39, 974,969.90 and 404,733.71 is: 558,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,481.39 : 974,969.90 = 404,733.71 : x
  2. Step 2: Convert to fraction form
    706,481.39/974,969.90 = 404,733.71/x
  3. Step 3: Cross multiply
    706,481.39x = 974,969.90 × 404,733.71
  4. Step 4: Simplify right side
    706,481.39x = 394,603,186,696.84
  5. Step 5: Solve for x
    x = 394,603,186,696.84/706,481.39
  6. Step 6: Final answer
    x = 558,547.18

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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.