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Finding the Fourth Proportional to 328,706.27, 453,609 and 183,504.45

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Solution

The fourth proportional to 328,706.27, 453,609 and 183,504.45 is: 253,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,706.27 : 453,609 = 183,504.45 : x
  2. Step 2: Convert to fraction form
    328,706.27/453,609 = 183,504.45/x
  3. Step 3: Cross multiply
    328,706.27x = 453,609 × 183,504.45
  4. Step 4: Simplify right side
    328,706.27x = 83,239,270,060.05
  5. Step 5: Solve for x
    x = 83,239,270,060.05/328,706.27
  6. Step 6: Final answer
    x = 253,232.99

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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.