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Finding the Fourth Proportional to 621,094.59, 931,596.89 and 165,650.67

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Solution

The fourth proportional to 621,094.59, 931,596.89 and 165,650.67 is: 248,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,094.59 : 931,596.89 = 165,650.67 : x
  2. Step 2: Convert to fraction form
    621,094.59/931,596.89 = 165,650.67/x
  3. Step 3: Cross multiply
    621,094.59x = 931,596.89 × 165,650.67
  4. Step 4: Simplify right side
    621,094.59x = 154,319,648,170.16
  5. Step 5: Solve for x
    x = 154,319,648,170.16/621,094.59
  6. Step 6: Final answer
    x = 248,464.00

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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.