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Finding the Fourth Proportional to 273,231.30, 409,846.95 and 155,133.30

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Solution

The fourth proportional to 273,231.30, 409,846.95 and 155,133.30 is: 232,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,231.30 : 409,846.95 = 155,133.30 : x
  2. Step 2: Convert to fraction form
    273,231.30/409,846.95 = 155,133.30/x
  3. Step 3: Cross multiply
    273,231.30x = 409,846.95 × 155,133.30
  4. Step 4: Simplify right side
    273,231.30x = 63,580,909,848.44
  5. Step 5: Solve for x
    x = 63,580,909,848.44/273,231.30
  6. Step 6: Final answer
    x = 232,699.95

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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.