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Finding the Fourth Proportional to 377,270.06, 520,369.06 and 256,201.19

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Solution

The fourth proportional to 377,270.06, 520,369.06 and 256,201.19 is: 353,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,270.06 : 520,369.06 = 256,201.19 : x
  2. Step 2: Convert to fraction form
    377,270.06/520,369.06 = 256,201.19/x
  3. Step 3: Cross multiply
    377,270.06x = 520,369.06 × 256,201.19
  4. Step 4: Simplify right side
    377,270.06x = 133,319,168,528.33
  5. Step 5: Solve for x
    x = 133,319,168,528.33/377,270.06
  6. Step 6: Final answer
    x = 353,378.61

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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.