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Finding the Fourth Proportional to 785,052.64, 1,083,369.52 and 440,840.68

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Solution

The fourth proportional to 785,052.64, 1,083,369.52 and 440,840.68 is: 608,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,052.64 : 1,083,369.52 = 440,840.68 : x
  2. Step 2: Convert to fraction form
    785,052.64/1,083,369.52 = 440,840.68/x
  3. Step 3: Cross multiply
    785,052.64x = 1,083,369.52 × 440,840.68
  4. Step 4: Simplify right side
    785,052.64x = 477,593,355,888.07
  5. Step 5: Solve for x
    x = 477,593,355,888.07/785,052.64
  6. Step 6: Final answer
    x = 608,358.38

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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.