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Finding the Fourth Proportional to 804,207.90, 1,110,056.04 and 517,728

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Solution

The fourth proportional to 804,207.90, 1,110,056.04 and 517,728 is: 714,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,207.90 : 1,110,056.04 = 517,728 : x
  2. Step 2: Convert to fraction form
    804,207.90/1,110,056.04 = 517,728/x
  3. Step 3: Cross multiply
    804,207.90x = 1,110,056.04 × 517,728
  4. Step 4: Simplify right side
    804,207.90x = 574,707,093,477.12
  5. Step 5: Solve for x
    x = 574,707,093,477.12/804,207.90
  6. Step 6: Final answer
    x = 714,625.03

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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.