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Finding the Fourth Proportional to 300,039.04, 414,040.70 and 171,005.44

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Solution

The fourth proportional to 300,039.04, 414,040.70 and 171,005.44 is: 235,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,039.04 : 414,040.70 = 171,005.44 : x
  2. Step 2: Convert to fraction form
    300,039.04/414,040.70 = 171,005.44/x
  3. Step 3: Cross multiply
    300,039.04x = 414,040.70 × 171,005.44
  4. Step 4: Simplify right side
    300,039.04x = 70,803,212,840.89
  5. Step 5: Solve for x
    x = 70,803,212,840.89/300,039.04
  6. Step 6: Final answer
    x = 235,980.00

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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.