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Finding the Fourth Proportional to 328,981.86, 453,991.02 and 185,747.94

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Solution

The fourth proportional to 328,981.86, 453,991.02 and 185,747.94 is: 256,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,981.86 : 453,991.02 = 185,747.94 : x
  2. Step 2: Convert to fraction form
    328,981.86/453,991.02 = 185,747.94/x
  3. Step 3: Cross multiply
    328,981.86x = 453,991.02 × 185,747.94
  4. Step 4: Simplify right side
    328,981.86x = 84,327,896,743.50
  5. Step 5: Solve for x
    x = 84,327,896,743.50/328,981.86
  6. Step 6: Final answer
    x = 256,329.93

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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.