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Finding the Fourth Proportional to 328,437.69, 453,243.81 and 177,534.69

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Solution

The fourth proportional to 328,437.69, 453,243.81 and 177,534.69 is: 244,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,437.69 : 453,243.81 = 177,534.69 : x
  2. Step 2: Convert to fraction form
    328,437.69/453,243.81 = 177,534.69/x
  3. Step 3: Cross multiply
    328,437.69x = 453,243.81 × 177,534.69
  4. Step 4: Simplify right side
    328,437.69x = 80,466,499,302.77
  5. Step 5: Solve for x
    x = 80,466,499,302.77/328,437.69
  6. Step 6: Final answer
    x = 244,997.76

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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.