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Finding the Fourth Proportional to 328,327.68, 453,034.08 and 185,087.70

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Solution

The fourth proportional to 328,327.68, 453,034.08 and 185,087.70 is: 255,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,327.68 : 453,034.08 = 185,087.70 : x
  2. Step 2: Convert to fraction form
    328,327.68/453,034.08 = 185,087.70/x
  3. Step 3: Cross multiply
    328,327.68x = 453,034.08 × 185,087.70
  4. Step 4: Simplify right side
    328,327.68x = 83,851,035,888.82
  5. Step 5: Solve for x
    x = 83,851,035,888.82/328,327.68
  6. Step 6: Final answer
    x = 255,388.26

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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.