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Finding the Fourth Proportional to 489,494.94, 734,242.44 and 173,964.30

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Solution

The fourth proportional to 489,494.94, 734,242.44 and 173,964.30 is: 260,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,494.94 : 734,242.44 = 173,964.30 : x
  2. Step 2: Convert to fraction form
    489,494.94/734,242.44 = 173,964.30/x
  3. Step 3: Cross multiply
    489,494.94x = 734,242.44 × 173,964.30
  4. Step 4: Simplify right side
    489,494.94x = 127,731,972,104.89
  5. Step 5: Solve for x
    x = 127,731,972,104.89/489,494.94
  6. Step 6: Final answer
    x = 260,946.46

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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.