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Finding the Fourth Proportional to 374,745.93, 517,004.13 and 238,755.57

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Solution

The fourth proportional to 374,745.93, 517,004.13 and 238,755.57 is: 329,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,745.93 : 517,004.13 = 238,755.57 : x
  2. Step 2: Convert to fraction form
    374,745.93/517,004.13 = 238,755.57/x
  3. Step 3: Cross multiply
    374,745.93x = 517,004.13 × 238,755.57
  4. Step 4: Simplify right side
    374,745.93x = 123,437,615,750.50
  5. Step 5: Solve for x
    x = 123,437,615,750.50/374,745.93
  6. Step 6: Final answer
    x = 329,390.14

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1.5x scale

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.