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Finding the Fourth Proportional to 907,062.34, 1,360,790.34 and 275,959.75

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Solution

The fourth proportional to 907,062.34, 1,360,790.34 and 275,959.75 is: 413,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,062.34 : 1,360,790.34 = 275,959.75 : x
  2. Step 2: Convert to fraction form
    907,062.34/1,360,790.34 = 275,959.75/x
  3. Step 3: Cross multiply
    907,062.34x = 1,360,790.34 × 275,959.75
  4. Step 4: Simplify right side
    907,062.34x = 375,523,362,028.82
  5. Step 5: Solve for x
    x = 375,523,362,028.82/907,062.34
  6. Step 6: Final answer
    x = 413,999.51

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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.