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Finding the Fourth Proportional to 528,599.42, 792,892.04 and 129,243.63

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Solution

The fourth proportional to 528,599.42, 792,892.04 and 129,243.63 is: 193,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,599.42 : 792,892.04 = 129,243.63 : x
  2. Step 2: Convert to fraction form
    528,599.42/792,892.04 = 129,243.63/x
  3. Step 3: Cross multiply
    528,599.42x = 792,892.04 × 129,243.63
  4. Step 4: Simplify right side
    528,599.42x = 102,476,244,801.49
  5. Step 5: Solve for x
    x = 102,476,244,801.49/528,599.42
  6. Step 6: Final answer
    x = 193,863.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.