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Finding the Fourth Proportional to 326,427.60, 450,459.98 and 181,230.24

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Solution

The fourth proportional to 326,427.60, 450,459.98 and 181,230.24 is: 250,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,427.60 : 450,459.98 = 181,230.24 : x
  2. Step 2: Convert to fraction form
    326,427.60/450,459.98 = 181,230.24/x
  3. Step 3: Cross multiply
    326,427.60x = 450,459.98 × 181,230.24
  4. Step 4: Simplify right side
    326,427.60x = 81,636,972,767.90
  5. Step 5: Solve for x
    x = 81,636,972,767.90/326,427.60
  6. Step 6: Final answer
    x = 250,092.12

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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.