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Finding the Fourth Proportional to 650,727.07, 974,819.40 and 448,287.41

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Solution

The fourth proportional to 650,727.07, 974,819.40 and 448,287.41 is: 671,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,727.07 : 974,819.40 = 448,287.41 : x
  2. Step 2: Convert to fraction form
    650,727.07/974,819.40 = 448,287.41/x
  3. Step 3: Cross multiply
    650,727.07x = 974,819.40 × 448,287.41
  4. Step 4: Simplify right side
    650,727.07x = 436,999,265,164.47
  5. Step 5: Solve for x
    x = 436,999,265,164.47/650,727.07
  6. Step 6: Final answer
    x = 671,555.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.