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Finding the Fourth Proportional to 354,071.72, 531,264.56 and 185,551.98

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Solution

The fourth proportional to 354,071.72, 531,264.56 and 185,551.98 is: 278,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,071.72 : 531,264.56 = 185,551.98 : x
  2. Step 2: Convert to fraction form
    354,071.72/531,264.56 = 185,551.98/x
  3. Step 3: Cross multiply
    354,071.72x = 531,264.56 × 185,551.98
  4. Step 4: Simplify right side
    354,071.72x = 98,577,190,084.07
  5. Step 5: Solve for x
    x = 98,577,190,084.07/354,071.72
  6. Step 6: Final answer
    x = 278,410.24

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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.