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Finding the Fourth Proportional to 326,673.80, 450,778.47 and 183,401

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Solution

The fourth proportional to 326,673.80, 450,778.47 and 183,401 is: 253,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,673.80 : 450,778.47 = 183,401 : x
  2. Step 2: Convert to fraction form
    326,673.80/450,778.47 = 183,401/x
  3. Step 3: Cross multiply
    326,673.80x = 450,778.47 × 183,401
  4. Step 4: Simplify right side
    326,673.80x = 82,673,222,176.47
  5. Step 5: Solve for x
    x = 82,673,222,176.47/326,673.80
  6. Step 6: Final answer
    x = 253,075.77

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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.