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Finding the Fourth Proportional to 274,842.34, 379,305.44 and 152,364.67

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Solution

The fourth proportional to 274,842.34, 379,305.44 and 152,364.67 is: 210,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,842.34 : 379,305.44 = 152,364.67 : x
  2. Step 2: Convert to fraction form
    274,842.34/379,305.44 = 152,364.67/x
  3. Step 3: Cross multiply
    274,842.34x = 379,305.44 × 152,364.67
  4. Step 4: Simplify right side
    274,842.34x = 57,792,747,056.09
  5. Step 5: Solve for x
    x = 57,792,747,056.09/274,842.34
  6. Step 6: Final answer
    x = 210,276.00

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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.