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Finding the Fourth Proportional to 282,706.48, 424,059.36 and 72,344.48

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Solution

The fourth proportional to 282,706.48, 424,059.36 and 72,344.48 is: 108,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,706.48 : 424,059.36 = 72,344.48 : x
  2. Step 2: Convert to fraction form
    282,706.48/424,059.36 = 72,344.48/x
  3. Step 3: Cross multiply
    282,706.48x = 424,059.36 × 72,344.48
  4. Step 4: Simplify right side
    282,706.48x = 30,678,353,888.33
  5. Step 5: Solve for x
    x = 30,678,353,888.33/282,706.48
  6. Step 6: Final answer
    x = 108,516.63

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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.