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Finding the Fourth Proportional to 339,518.49, 468,327.92 and 201,603.93

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Solution

The fourth proportional to 339,518.49, 468,327.92 and 201,603.93 is: 278,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,518.49 : 468,327.92 = 201,603.93 : x
  2. Step 2: Convert to fraction form
    339,518.49/468,327.92 = 201,603.93/x
  3. Step 3: Cross multiply
    339,518.49x = 468,327.92 × 201,603.93
  4. Step 4: Simplify right side
    339,518.49x = 94,416,748,192.71
  5. Step 5: Solve for x
    x = 94,416,748,192.71/339,518.49
  6. Step 6: Final answer
    x = 278,090.15

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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.