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Finding the Fourth Proportional to 264,328.79, 364,763.95 and 143,467.49

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Solution

The fourth proportional to 264,328.79, 364,763.95 and 143,467.49 is: 197,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,328.79 : 364,763.95 = 143,467.49 : x
  2. Step 2: Convert to fraction form
    264,328.79/364,763.95 = 143,467.49/x
  3. Step 3: Cross multiply
    264,328.79x = 364,763.95 × 143,467.49
  4. Step 4: Simplify right side
    264,328.79x = 52,331,768,683.33
  5. Step 5: Solve for x
    x = 52,331,768,683.33/264,328.79
  6. Step 6: Final answer
    x = 197,979.83

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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.