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Finding the Fourth Proportional to 468,441.72, 646,454.03 and 274,852.72

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Solution

The fourth proportional to 468,441.72, 646,454.03 and 274,852.72 is: 379,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,441.72 : 646,454.03 = 274,852.72 : x
  2. Step 2: Convert to fraction form
    468,441.72/646,454.03 = 274,852.72/x
  3. Step 3: Cross multiply
    468,441.72x = 646,454.03 × 274,852.72
  4. Step 4: Simplify right side
    468,441.72x = 177,679,652,332.77
  5. Step 5: Solve for x
    x = 177,679,652,332.77/468,441.72
  6. Step 6: Final answer
    x = 379,299.37

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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.