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Finding the Fourth Proportional to 328,858.53, 453,863.06 and 273,570.18

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Solution

The fourth proportional to 328,858.53, 453,863.06 and 273,570.18 is: 377,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,858.53 : 453,863.06 = 273,570.18 : x
  2. Step 2: Convert to fraction form
    328,858.53/453,863.06 = 273,570.18/x
  3. Step 3: Cross multiply
    328,858.53x = 453,863.06 × 273,570.18
  4. Step 4: Simplify right side
    328,858.53x = 124,163,399,019.55
  5. Step 5: Solve for x
    x = 124,163,399,019.55/328,858.53
  6. Step 6: Final answer
    x = 377,558.70

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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.