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Finding the Fourth Proportional to 965,768.54, 1,449,606.72 and 725,045.45

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Solution

The fourth proportional to 965,768.54, 1,449,606.72 and 725,045.45 is: 1,088,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,768.54 : 1,449,606.72 = 725,045.45 : x
  2. Step 2: Convert to fraction form
    965,768.54/1,449,606.72 = 725,045.45/x
  3. Step 3: Cross multiply
    965,768.54x = 1,449,606.72 × 725,045.45
  4. Step 4: Simplify right side
    965,768.54x = 1,051,030,756,625.42
  5. Step 5: Solve for x
    x = 1,051,030,756,625.42/965,768.54
  6. Step 6: Final answer
    x = 1,088,284.32

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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.