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Finding the Fourth Proportional to 437,331.46, 603,520.42 and 243,751.64

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Solution

The fourth proportional to 437,331.46, 603,520.42 and 243,751.64 is: 336,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,331.46 : 603,520.42 = 243,751.64 : x
  2. Step 2: Convert to fraction form
    437,331.46/603,520.42 = 243,751.64/x
  3. Step 3: Cross multiply
    437,331.46x = 603,520.42 × 243,751.64
  4. Step 4: Simplify right side
    437,331.46x = 147,109,094,176.83
  5. Step 5: Solve for x
    x = 147,109,094,176.83/437,331.46
  6. Step 6: Final answer
    x = 336,378.95

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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.