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Finding the Fourth Proportional to 338,767.04, 507,370.41 and 196,258.54

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Solution

The fourth proportional to 338,767.04, 507,370.41 and 196,258.54 is: 293,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,767.04 : 507,370.41 = 196,258.54 : x
  2. Step 2: Convert to fraction form
    338,767.04/507,370.41 = 196,258.54/x
  3. Step 3: Cross multiply
    338,767.04x = 507,370.41 × 196,258.54
  4. Step 4: Simplify right side
    338,767.04x = 99,575,774,637.38
  5. Step 5: Solve for x
    x = 99,575,774,637.38/338,767.04
  6. Step 6: Final answer
    x = 293,935.84

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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.