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Finding the Fourth Proportional to 435,944.40, 653,430.60 and 169,616.40

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Solution

The fourth proportional to 435,944.40, 653,430.60 and 169,616.40 is: 254,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,944.40 : 653,430.60 = 169,616.40 : x
  2. Step 2: Convert to fraction form
    435,944.40/653,430.60 = 169,616.40/x
  3. Step 3: Cross multiply
    435,944.40x = 653,430.60 × 169,616.40
  4. Step 4: Simplify right side
    435,944.40x = 110,832,546,021.84
  5. Step 5: Solve for x
    x = 110,832,546,021.84/435,944.40
  6. Step 6: Final answer
    x = 254,235.51

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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.