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Finding the Fourth Proportional to 264,021.36, 364,412.52 and 156,653.70

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Solution

The fourth proportional to 264,021.36, 364,412.52 and 156,653.70 is: 216,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,021.36 : 364,412.52 = 156,653.70 : x
  2. Step 2: Convert to fraction form
    264,021.36/364,412.52 = 156,653.70/x
  3. Step 3: Cross multiply
    264,021.36x = 364,412.52 × 156,653.70
  4. Step 4: Simplify right side
    264,021.36x = 57,086,569,584.32
  5. Step 5: Solve for x
    x = 57,086,569,584.32/264,021.36
  6. Step 6: Final answer
    x = 216,219.51

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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.