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Finding the Fourth Proportional to 268,612.43, 370,658.58 and 153,869.04

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Solution

The fourth proportional to 268,612.43, 370,658.58 and 153,869.04 is: 212,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,612.43 : 370,658.58 = 153,869.04 : x
  2. Step 2: Convert to fraction form
    268,612.43/370,658.58 = 153,869.04/x
  3. Step 3: Cross multiply
    268,612.43x = 370,658.58 × 153,869.04
  4. Step 4: Simplify right side
    268,612.43x = 57,032,879,872.36
  5. Step 5: Solve for x
    x = 57,032,879,872.36/268,612.43
  6. Step 6: Final answer
    x = 212,324.06

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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.