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Finding the Fourth Proportional to 404,368.34, 606,232.87 and 201,860.51

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Solution

The fourth proportional to 404,368.34, 606,232.87 and 201,860.51 is: 302,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,368.34 : 606,232.87 = 201,860.51 : x
  2. Step 2: Convert to fraction form
    404,368.34/606,232.87 = 201,860.51/x
  3. Step 3: Cross multiply
    404,368.34x = 606,232.87 × 201,860.51
  4. Step 4: Simplify right side
    404,368.34x = 122,374,472,781.15
  5. Step 5: Solve for x
    x = 122,374,472,781.15/404,368.34
  6. Step 6: Final answer
    x = 302,631.20

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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.