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Finding the Fourth Proportional to 443,808.84, 612,408.96 and 262,527.60

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Solution

The fourth proportional to 443,808.84, 612,408.96 and 262,527.60 is: 362,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,808.84 : 612,408.96 = 262,527.60 : x
  2. Step 2: Convert to fraction form
    443,808.84/612,408.96 = 262,527.60/x
  3. Step 3: Cross multiply
    443,808.84x = 612,408.96 × 262,527.60
  4. Step 4: Simplify right side
    443,808.84x = 160,774,254,487.30
  5. Step 5: Solve for x
    x = 160,774,254,487.30/443,808.84
  6. Step 6: Final answer
    x = 362,260.14

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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.