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Finding the Fourth Proportional to 326,579.86, 450,679.87 and 183,340.18

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Solution

The fourth proportional to 326,579.86, 450,679.87 and 183,340.18 is: 253,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,579.86 : 450,679.87 = 183,340.18 : x
  2. Step 2: Convert to fraction form
    326,579.86/450,679.87 = 183,340.18/x
  3. Step 3: Cross multiply
    326,579.86x = 450,679.87 × 183,340.18
  4. Step 4: Simplify right side
    326,579.86x = 82,627,728,488.18
  5. Step 5: Solve for x
    x = 82,627,728,488.18/326,579.86
  6. Step 6: Final answer
    x = 253,009.26

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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.