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Finding the Fourth Proportional to 368,158.96, 507,809.60 and 238,866.44

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Solution

The fourth proportional to 368,158.96, 507,809.60 and 238,866.44 is: 329,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,158.96 : 507,809.60 = 238,866.44 : x
  2. Step 2: Convert to fraction form
    368,158.96/507,809.60 = 238,866.44/x
  3. Step 3: Cross multiply
    368,158.96x = 507,809.60 × 238,866.44
  4. Step 4: Simplify right side
    368,158.96x = 121,298,671,349.82
  5. Step 5: Solve for x
    x = 121,298,671,349.82/368,158.96
  6. Step 6: Final answer
    x = 329,473.64

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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.