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Finding the Fourth Proportional to 508,437.46, 701,640.19 and 282,082.96

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Solution

The fourth proportional to 508,437.46, 701,640.19 and 282,082.96 is: 389,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,437.46 : 701,640.19 = 282,082.96 : x
  2. Step 2: Convert to fraction form
    508,437.46/701,640.19 = 282,082.96/x
  3. Step 3: Cross multiply
    508,437.46x = 701,640.19 × 282,082.96
  4. Step 4: Simplify right side
    508,437.46x = 197,920,741,650.16
  5. Step 5: Solve for x
    x = 197,920,741,650.16/508,437.46
  6. Step 6: Final answer
    x = 389,272.54

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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.