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Finding the Fourth Proportional to 297,110.40, 410,048.64 and 169,756.80

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Solution

The fourth proportional to 297,110.40, 410,048.64 and 169,756.80 is: 234,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,110.40 : 410,048.64 = 169,756.80 : x
  2. Step 2: Convert to fraction form
    297,110.40/410,048.64 = 169,756.80/x
  3. Step 3: Cross multiply
    297,110.40x = 410,048.64 × 169,756.80
  4. Step 4: Simplify right side
    297,110.40x = 69,608,544,970.75
  5. Step 5: Solve for x
    x = 69,608,544,970.75/297,110.40
  6. Step 6: Final answer
    x = 234,285.12

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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.