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Finding the Fourth Proportional to 326,706.18, 450,512.73 and 258,614.34

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Solution

The fourth proportional to 326,706.18, 450,512.73 and 258,614.34 is: 356,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,706.18 : 450,512.73 = 258,614.34 : x
  2. Step 2: Convert to fraction form
    326,706.18/450,512.73 = 258,614.34/x
  3. Step 3: Cross multiply
    326,706.18x = 450,512.73 × 258,614.34
  4. Step 4: Simplify right side
    326,706.18x = 116,509,052,330.55
  5. Step 5: Solve for x
    x = 116,509,052,330.55/326,706.18
  6. Step 6: Final answer
    x = 356,617.23

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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.