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Finding the Fourth Proportional to 328,626.63, 453,525.75 and 185,334.39

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Solution

The fourth proportional to 328,626.63, 453,525.75 and 185,334.39 is: 255,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,626.63 : 453,525.75 = 185,334.39 : x
  2. Step 2: Convert to fraction form
    328,626.63/453,525.75 = 185,334.39/x
  3. Step 3: Cross multiply
    328,626.63x = 453,525.75 × 185,334.39
  4. Step 4: Simplify right side
    328,626.63x = 84,053,918,225.54
  5. Step 5: Solve for x
    x = 84,053,918,225.54/328,626.63
  6. Step 6: Final answer
    x = 255,773.30

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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.