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Finding the Fourth Proportional to 273,424.80, 409,396.08 and 141,820.32

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Solution

The fourth proportional to 273,424.80, 409,396.08 and 141,820.32 is: 212,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,424.80 : 409,396.08 = 141,820.32 : x
  2. Step 2: Convert to fraction form
    273,424.80/409,396.08 = 141,820.32/x
  3. Step 3: Cross multiply
    273,424.80x = 409,396.08 × 141,820.32
  4. Step 4: Simplify right side
    273,424.80x = 58,060,683,072.35
  5. Step 5: Solve for x
    x = 58,060,683,072.35/273,424.80
  6. Step 6: Final answer
    x = 212,346.07

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1.5x scale

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.