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Finding the Fourth Proportional to 451,357.22, 622,849.82 and 260,359.22

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Solution

The fourth proportional to 451,357.22, 622,849.82 and 260,359.22 is: 359,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,357.22 : 622,849.82 = 260,359.22 : x
  2. Step 2: Convert to fraction form
    451,357.22/622,849.82 = 260,359.22/x
  3. Step 3: Cross multiply
    451,357.22x = 622,849.82 × 260,359.22
  4. Step 4: Simplify right side
    451,357.22x = 162,164,693,312.34
  5. Step 5: Solve for x
    x = 162,164,693,312.34/451,357.22
  6. Step 6: Final answer
    x = 359,282.37

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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.