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Finding the Fourth Proportional to 328,561.26, 453,376.49 and 185,323.70

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Solution

The fourth proportional to 328,561.26, 453,376.49 and 185,323.70 is: 255,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,561.26 : 453,376.49 = 185,323.70 : x
  2. Step 2: Convert to fraction form
    328,561.26/453,376.49 = 185,323.70/x
  3. Step 3: Cross multiply
    328,561.26x = 453,376.49 × 185,323.70
  4. Step 4: Simplify right side
    328,561.26x = 84,021,405,426.31
  5. Step 5: Solve for x
    x = 84,021,405,426.31/328,561.26
  6. Step 6: Final answer
    x = 255,725.24

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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.