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Finding the Fourth Proportional to 364,471.37, 546,193.26 and 172,140.77

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Solution

The fourth proportional to 364,471.37, 546,193.26 and 172,140.77 is: 257,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,471.37 : 546,193.26 = 172,140.77 : x
  2. Step 2: Convert to fraction form
    364,471.37/546,193.26 = 172,140.77/x
  3. Step 3: Cross multiply
    364,471.37x = 546,193.26 × 172,140.77
  4. Step 4: Simplify right side
    364,471.37x = 94,022,128,345.21
  5. Step 5: Solve for x
    x = 94,022,128,345.21/364,471.37
  6. Step 6: Final answer
    x = 257,968.49

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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.