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Finding the Fourth Proportional to 328,720.03, 453,640.72 and 181,544.45

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Solution

The fourth proportional to 328,720.03, 453,640.72 and 181,544.45 is: 250,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720.03 : 453,640.72 = 181,544.45 : x
  2. Step 2: Convert to fraction form
    328,720.03/453,640.72 = 181,544.45/x
  3. Step 3: Cross multiply
    328,720.03x = 453,640.72 × 181,544.45
  4. Step 4: Simplify right side
    328,720.03x = 82,355,952,628.34
  5. Step 5: Solve for x
    x = 82,355,952,628.34/328,720.03
  6. Step 6: Final answer
    x = 250,535.25

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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.