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Finding the Fourth Proportional to 297,353.90, 410,161.74 and 176,409.56

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Solution

The fourth proportional to 297,353.90, 410,161.74 and 176,409.56 is: 243,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,353.90 : 410,161.74 = 176,409.56 : x
  2. Step 2: Convert to fraction form
    297,353.90/410,161.74 = 176,409.56/x
  3. Step 3: Cross multiply
    297,353.90x = 410,161.74 × 176,409.56
  4. Step 4: Simplify right side
    297,353.90x = 72,356,453,438.41
  5. Step 5: Solve for x
    x = 72,356,453,438.41/297,353.90
  6. Step 6: Final answer
    x = 243,334.47

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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.