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Finding the Fourth Proportional to 706,479.71, 974,967.57 and 404,732.03

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Solution

The fourth proportional to 706,479.71, 974,967.57 and 404,732.03 is: 558,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,479.71 : 974,967.57 = 404,732.03 : x
  2. Step 2: Convert to fraction form
    706,479.71/974,967.57 = 404,732.03/x
  3. Step 3: Cross multiply
    706,479.71x = 974,967.57 × 404,732.03
  4. Step 4: Simplify right side
    706,479.71x = 394,600,598,915.43
  5. Step 5: Solve for x
    x = 394,600,598,915.43/706,479.71
  6. Step 6: Final answer
    x = 558,544.85

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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.