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Finding the Fourth Proportional to 907,491.82, 1,361,238.15 and 374,426.95

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Solution

The fourth proportional to 907,491.82, 1,361,238.15 and 374,426.95 is: 561,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,491.82 : 1,361,238.15 = 374,426.95 : x
  2. Step 2: Convert to fraction form
    907,491.82/1,361,238.15 = 374,426.95/x
  3. Step 3: Cross multiply
    907,491.82x = 1,361,238.15 × 374,426.95
  4. Step 4: Simplify right side
    907,491.82x = 509,684,248,728.14
  5. Step 5: Solve for x
    x = 509,684,248,728.14/907,491.82
  6. Step 6: Final answer
    x = 561,640.60

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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.