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Finding the Fourth Proportional to 907,591.64, 1,361,846.72 and 375,494.54

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Solution

The fourth proportional to 907,591.64, 1,361,846.72 and 375,494.54 is: 563,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,591.64 : 1,361,846.72 = 375,494.54 : x
  2. Step 2: Convert to fraction form
    907,591.64/1,361,846.72 = 375,494.54/x
  3. Step 3: Cross multiply
    907,591.64x = 1,361,846.72 × 375,494.54
  4. Step 4: Simplify right side
    907,591.64x = 511,366,001,806.41
  5. Step 5: Solve for x
    x = 511,366,001,806.41/907,591.64
  6. Step 6: Final answer
    x = 563,431.81

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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.