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Finding the Fourth Proportional to 578,730.96, 798,494.40 and 374,844.24

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Solution

The fourth proportional to 578,730.96, 798,494.40 and 374,844.24 is: 517,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,730.96 : 798,494.40 = 374,844.24 : x
  2. Step 2: Convert to fraction form
    578,730.96/798,494.40 = 374,844.24/x
  3. Step 3: Cross multiply
    578,730.96x = 798,494.40 × 374,844.24
  4. Step 4: Simplify right side
    578,730.96x = 299,311,026,512.26
  5. Step 5: Solve for x
    x = 299,311,026,512.26/578,730.96
  6. Step 6: Final answer
    x = 517,185.09

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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.