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Finding the Fourth Proportional to 389,596.10, 584,157.62 and 152,654.90

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Solution

The fourth proportional to 389,596.10, 584,157.62 and 152,654.90 is: 228,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,596.10 : 584,157.62 = 152,654.90 : x
  2. Step 2: Convert to fraction form
    389,596.10/584,157.62 = 152,654.90/x
  3. Step 3: Cross multiply
    389,596.10x = 584,157.62 × 152,654.90
  4. Step 4: Simplify right side
    389,596.10x = 89,174,520,526.19
  5. Step 5: Solve for x
    x = 89,174,520,526.19/389,596.10
  6. Step 6: Final answer
    x = 228,889.67

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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.