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Finding the Fourth Proportional to 443,890.92, 612,575.58 and 262,598.19

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Solution

The fourth proportional to 443,890.92, 612,575.58 and 262,598.19 is: 362,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,890.92 : 612,575.58 = 262,598.19 : x
  2. Step 2: Convert to fraction form
    443,890.92/612,575.58 = 262,598.19/x
  3. Step 3: Cross multiply
    443,890.92x = 612,575.58 × 262,598.19
  4. Step 4: Simplify right side
    443,890.92x = 160,861,238,546.20
  5. Step 5: Solve for x
    x = 160,861,238,546.20/443,890.92
  6. Step 6: Final answer
    x = 362,389.12

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Double scale
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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.