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Finding the Fourth Proportional to 265,527.63, 366,069.78 and 257,272.11

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Solution

The fourth proportional to 265,527.63, 366,069.78 and 257,272.11 is: 354,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,527.63 : 366,069.78 = 257,272.11 : x
  2. Step 2: Convert to fraction form
    265,527.63/366,069.78 = 257,272.11/x
  3. Step 3: Cross multiply
    265,527.63x = 366,069.78 × 257,272.11
  4. Step 4: Simplify right side
    265,527.63x = 94,179,544,707.84
  5. Step 5: Solve for x
    x = 94,179,544,707.84/265,527.63
  6. Step 6: Final answer
    x = 354,688.30

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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.