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Finding the Fourth Proportional to 326,542.60, 450,587.96 and 181,328.64

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Solution

The fourth proportional to 326,542.60, 450,587.96 and 181,328.64 is: 250,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,542.60 : 450,587.96 = 181,328.64 : x
  2. Step 2: Convert to fraction form
    326,542.60/450,587.96 = 181,328.64/x
  3. Step 3: Cross multiply
    326,542.60x = 450,587.96 × 181,328.64
  4. Step 4: Simplify right side
    326,542.60x = 81,704,501,987.17
  5. Step 5: Solve for x
    x = 81,704,501,987.17/326,542.60
  6. Step 6: Final answer
    x = 250,210.85

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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.