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Finding the Fourth Proportional to 620,088.12, 930,229.65 and 265,104

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Solution

The fourth proportional to 620,088.12, 930,229.65 and 265,104 is: 397,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,088.12 : 930,229.65 = 265,104 : x
  2. Step 2: Convert to fraction form
    620,088.12/930,229.65 = 265,104/x
  3. Step 3: Cross multiply
    620,088.12x = 930,229.65 × 265,104
  4. Step 4: Simplify right side
    620,088.12x = 246,607,601,133.60
  5. Step 5: Solve for x
    x = 246,607,601,133.60/620,088.12
  6. Step 6: Final answer
    x = 397,697.67

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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.