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Finding the Fourth Proportional to 901,955.76, 1,352,996.76 and 362,211.95

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Solution

The fourth proportional to 901,955.76, 1,352,996.76 and 362,211.95 is: 543,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,955.76 : 1,352,996.76 = 362,211.95 : x
  2. Step 2: Convert to fraction form
    901,955.76/1,352,996.76 = 362,211.95/x
  3. Step 3: Cross multiply
    901,955.76x = 1,352,996.76 × 362,211.95
  4. Step 4: Simplify right side
    901,955.76x = 490,071,594,783.28
  5. Step 5: Solve for x
    x = 490,071,594,783.28/901,955.76
  6. Step 6: Final answer
    x = 543,343.27

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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.