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Finding the Fourth Proportional to 328,706.58, 453,471.03 and 192,671.58

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Solution

The fourth proportional to 328,706.58, 453,471.03 and 192,671.58 is: 265,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,706.58 : 453,471.03 = 192,671.58 : x
  2. Step 2: Convert to fraction form
    328,706.58/453,471.03 = 192,671.58/x
  3. Step 3: Cross multiply
    328,706.58x = 453,471.03 × 192,671.58
  4. Step 4: Simplify right side
    328,706.58x = 87,370,979,834.33
  5. Step 5: Solve for x
    x = 87,370,979,834.33/328,706.58
  6. Step 6: Final answer
    x = 265,802.35

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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.