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Finding the Fourth Proportional to 366,861.40, 549,600.90 and 188,762.20

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Solution

The fourth proportional to 366,861.40, 549,600.90 and 188,762.20 is: 282,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,861.40 : 549,600.90 = 188,762.20 : x
  2. Step 2: Convert to fraction form
    366,861.40/549,600.90 = 188,762.20/x
  3. Step 3: Cross multiply
    366,861.40x = 549,600.90 × 188,762.20
  4. Step 4: Simplify right side
    366,861.40x = 103,743,875,005.98
  5. Step 5: Solve for x
    x = 103,743,875,005.98/366,861.40
  6. Step 6: Final answer
    x = 282,787.65

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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.