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Finding the Fourth Proportional to 328,775.80, 453,734.58 and 185,548.36

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Solution

The fourth proportional to 328,775.80, 453,734.58 and 185,548.36 is: 256,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,775.80 : 453,734.58 = 185,548.36 : x
  2. Step 2: Convert to fraction form
    328,775.80/453,734.58 = 185,548.36/x
  3. Step 3: Cross multiply
    328,775.80x = 453,734.58 × 185,548.36
  4. Step 4: Simplify right side
    328,775.80x = 84,189,707,194.29
  5. Step 5: Solve for x
    x = 84,189,707,194.29/328,775.80
  6. Step 6: Final answer
    x = 256,070.27

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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.