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Finding the Fourth Proportional to 451,162.95, 622,563.47 and 260,139.44

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Solution

The fourth proportional to 451,162.95, 622,563.47 and 260,139.44 is: 358,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,162.95 : 622,563.47 = 260,139.44 : x
  2. Step 2: Convert to fraction form
    451,162.95/622,563.47 = 260,139.44/x
  3. Step 3: Cross multiply
    451,162.95x = 622,563.47 × 260,139.44
  4. Step 4: Simplify right side
    451,162.95x = 161,953,308,036.74
  5. Step 5: Solve for x
    x = 161,953,308,036.74/451,162.95
  6. Step 6: Final answer
    x = 358,968.55

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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.