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Finding the Fourth Proportional to 777,532.22, 1,072,999.45 and 433,389.97

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Solution

The fourth proportional to 777,532.22, 1,072,999.45 and 433,389.97 is: 598,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,532.22 : 1,072,999.45 = 433,389.97 : x
  2. Step 2: Convert to fraction form
    777,532.22/1,072,999.45 = 433,389.97/x
  3. Step 3: Cross multiply
    777,532.22x = 1,072,999.45 × 433,389.97
  4. Step 4: Simplify right side
    777,532.22x = 465,027,197,278.57
  5. Step 5: Solve for x
    x = 465,027,197,278.57/777,532.22
  6. Step 6: Final answer
    x = 598,080.94

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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.