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Finding the Fourth Proportional to 328,883.69, 453,860.95 and 177,980.73

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Solution

The fourth proportional to 328,883.69, 453,860.95 and 177,980.73 is: 245,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,883.69 : 453,860.95 = 177,980.73 : x
  2. Step 2: Convert to fraction form
    328,883.69/453,860.95 = 177,980.73/x
  3. Step 3: Cross multiply
    328,883.69x = 453,860.95 × 177,980.73
  4. Step 4: Simplify right side
    328,883.69x = 80,778,502,309.59
  5. Step 5: Solve for x
    x = 80,778,502,309.59/328,883.69
  6. Step 6: Final answer
    x = 245,614.19

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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.