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Finding the Fourth Proportional to 489,397.66, 733,955.46 and 134,423.26

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Solution

The fourth proportional to 489,397.66, 733,955.46 and 134,423.26 is: 201,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,397.66 : 733,955.46 = 134,423.26 : x
  2. Step 2: Convert to fraction form
    489,397.66/733,955.46 = 134,423.26/x
  3. Step 3: Cross multiply
    489,397.66x = 733,955.46 × 134,423.26
  4. Step 4: Simplify right side
    489,397.66x = 98,660,685,628.00
  5. Step 5: Solve for x
    x = 98,660,685,628.00/489,397.66
  6. Step 6: Final answer
    x = 201,596.15

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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.