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Finding the Fourth Proportional to 297,774.97, 446,411.35 and 129,168.34

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Solution

The fourth proportional to 297,774.97, 446,411.35 and 129,168.34 is: 193,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,774.97 : 446,411.35 = 129,168.34 : x
  2. Step 2: Convert to fraction form
    297,774.97/446,411.35 = 129,168.34/x
  3. Step 3: Cross multiply
    297,774.97x = 446,411.35 × 129,168.34
  4. Step 4: Simplify right side
    297,774.97x = 57,662,212,082.09
  5. Step 5: Solve for x
    x = 57,662,212,082.09/297,774.97
  6. Step 6: Final answer
    x = 193,643.58

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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.