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Finding the Fourth Proportional to 264,328.50, 364,763.54 and 143,467.19

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Solution

The fourth proportional to 264,328.50, 364,763.54 and 143,467.19 is: 197,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,328.50 : 364,763.54 = 143,467.19 : x
  2. Step 2: Convert to fraction form
    264,328.50/364,763.54 = 143,467.19/x
  3. Step 3: Cross multiply
    264,328.50x = 364,763.54 × 143,467.19
  4. Step 4: Simplify right side
    264,328.50x = 52,331,600,000.97
  5. Step 5: Solve for x
    x = 52,331,600,000.97/264,328.50
  6. Step 6: Final answer
    x = 197,979.41

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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.