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Finding the Fourth Proportional to 355,300.40, 532,950.60 and 236,586.80

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Solution

The fourth proportional to 355,300.40, 532,950.60 and 236,586.80 is: 354,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,300.40 : 532,950.60 = 236,586.80 : x
  2. Step 2: Convert to fraction form
    355,300.40/532,950.60 = 236,586.80/x
  3. Step 3: Cross multiply
    355,300.40x = 532,950.60 × 236,586.80
  4. Step 4: Simplify right side
    355,300.40x = 126,089,077,012.08
  5. Step 5: Solve for x
    x = 126,089,077,012.08/355,300.40
  6. Step 6: Final answer
    x = 354,880.20

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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.