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Finding the Fourth Proportional to 290,598.81, 401,058.81 and 175,940.61

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Solution

The fourth proportional to 290,598.81, 401,058.81 and 175,940.61 is: 242,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,598.81 : 401,058.81 = 175,940.61 : x
  2. Step 2: Convert to fraction form
    290,598.81/401,058.81 = 175,940.61/x
  3. Step 3: Cross multiply
    290,598.81x = 401,058.81 × 175,940.61
  4. Step 4: Simplify right side
    290,598.81x = 70,562,530,173.30
  5. Step 5: Solve for x
    x = 70,562,530,173.30/290,598.81
  6. Step 6: Final answer
    x = 242,817.69

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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.