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Finding the Fourth Proportional to 326,574.40, 450,647.80 and 183,306.77

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Solution

The fourth proportional to 326,574.40, 450,647.80 and 183,306.77 is: 252,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,574.40 : 450,647.80 = 183,306.77 : x
  2. Step 2: Convert to fraction form
    326,574.40/450,647.80 = 183,306.77/x
  3. Step 3: Cross multiply
    326,574.40x = 450,647.80 × 183,306.77
  4. Step 4: Simplify right side
    326,574.40x = 82,606,790,841.42
  5. Step 5: Solve for x
    x = 82,606,790,841.42/326,574.40
  6. Step 6: Final answer
    x = 252,949.37

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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.