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Finding the Fourth Proportional to 533,078.55, 799,125.75 and 266,607.18

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Solution

The fourth proportional to 533,078.55, 799,125.75 and 266,607.18 is: 399,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,078.55 : 799,125.75 = 266,607.18 : x
  2. Step 2: Convert to fraction form
    533,078.55/799,125.75 = 266,607.18/x
  3. Step 3: Cross multiply
    533,078.55x = 799,125.75 × 266,607.18
  4. Step 4: Simplify right side
    533,078.55x = 213,052,662,672.89
  5. Step 5: Solve for x
    x = 213,052,662,672.89/533,078.55
  6. Step 6: Final answer
    x = 399,664.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.