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Finding the Fourth Proportional to 328,406.10, 453,200.50 and 185,166.18

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Solution

The fourth proportional to 328,406.10, 453,200.50 and 185,166.18 is: 255,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,406.10 : 453,200.50 = 185,166.18 : x
  2. Step 2: Convert to fraction form
    328,406.10/453,200.50 = 185,166.18/x
  3. Step 3: Cross multiply
    328,406.10x = 453,200.50 × 185,166.18
  4. Step 4: Simplify right side
    328,406.10x = 83,917,405,359.09
  5. Step 5: Solve for x
    x = 83,917,405,359.09/328,406.10
  6. Step 6: Final answer
    x = 255,529.37

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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.