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Finding the Fourth Proportional to 328,818.15, 453,723.53 and 183,606.21

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Solution

The fourth proportional to 328,818.15, 453,723.53 and 183,606.21 is: 253,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,818.15 : 453,723.53 = 183,606.21 : x
  2. Step 2: Convert to fraction form
    328,818.15/453,723.53 = 183,606.21/x
  3. Step 3: Cross multiply
    328,818.15x = 453,723.53 × 183,606.21
  4. Step 4: Simplify right side
    328,818.15x = 83,306,456,813.09
  5. Step 5: Solve for x
    x = 83,306,456,813.09/328,818.15
  6. Step 6: Final answer
    x = 253,351.15

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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.