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Finding the Fourth Proportional to 294,536.75, 406,460.72 and 160,400.75

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Solution

The fourth proportional to 294,536.75, 406,460.72 and 160,400.75 is: 221,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,536.75 : 406,460.72 = 160,400.75 : x
  2. Step 2: Convert to fraction form
    294,536.75/406,460.72 = 160,400.75/x
  3. Step 3: Cross multiply
    294,536.75x = 406,460.72 × 160,400.75
  4. Step 4: Simplify right side
    294,536.75x = 65,196,603,531.54
  5. Step 5: Solve for x
    x = 65,196,603,531.54/294,536.75
  6. Step 6: Final answer
    x = 221,353.04

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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.