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Finding the Fourth Proportional to 365,745.06, 504,829.59 and 212,812.74

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Solution

The fourth proportional to 365,745.06, 504,829.59 and 212,812.74 is: 293,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,745.06 : 504,829.59 = 212,812.74 : x
  2. Step 2: Convert to fraction form
    365,745.06/504,829.59 = 212,812.74/x
  3. Step 3: Cross multiply
    365,745.06x = 504,829.59 × 212,812.74
  4. Step 4: Simplify right side
    365,745.06x = 107,434,168,280.98
  5. Step 5: Solve for x
    x = 107,434,168,280.98/365,745.06
  6. Step 6: Final answer
    x = 293,740.59

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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.