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Finding the Fourth Proportional to 372,953.04, 514,661.49 and 203,183.52

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Solution

The fourth proportional to 372,953.04, 514,661.49 and 203,183.52 is: 280,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,953.04 : 514,661.49 = 203,183.52 : x
  2. Step 2: Convert to fraction form
    372,953.04/514,661.49 = 203,183.52/x
  3. Step 3: Cross multiply
    372,953.04x = 514,661.49 × 203,183.52
  4. Step 4: Simplify right side
    372,953.04x = 104,570,733,146.65
  5. Step 5: Solve for x
    x = 104,570,733,146.65/372,953.04
  6. Step 6: Final answer
    x = 280,385.79

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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.