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Finding the Fourth Proportional to 301,400.48, 415,935.12 and 167,266.72

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Solution

The fourth proportional to 301,400.48, 415,935.12 and 167,266.72 is: 230,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,400.48 : 415,935.12 = 167,266.72 : x
  2. Step 2: Convert to fraction form
    301,400.48/415,935.12 = 167,266.72/x
  3. Step 3: Cross multiply
    301,400.48x = 415,935.12 × 167,266.72
  4. Step 4: Simplify right side
    301,400.48x = 69,572,103,255.21
  5. Step 5: Solve for x
    x = 69,572,103,255.21/301,400.48
  6. Step 6: Final answer
    x = 230,829.44

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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.