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Finding the Fourth Proportional to 328,408.10, 453,203.26 and 185,168.18

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Solution

The fourth proportional to 328,408.10, 453,203.26 and 185,168.18 is: 255,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,408.10 : 453,203.26 = 185,168.18 : x
  2. Step 2: Convert to fraction form
    328,408.10/453,203.26 = 185,168.18/x
  3. Step 3: Cross multiply
    328,408.10x = 453,203.26 × 185,168.18
  4. Step 4: Simplify right side
    328,408.10x = 83,918,822,824.27
  5. Step 5: Solve for x
    x = 83,918,822,824.27/328,408.10
  6. Step 6: Final answer
    x = 255,532.13

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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.