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Finding the Fourth Proportional to 353,223.94, 529,639.08 and 116,503.06

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Solution

The fourth proportional to 353,223.94, 529,639.08 and 116,503.06 is: 174,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,223.94 : 529,639.08 = 116,503.06 : x
  2. Step 2: Convert to fraction form
    353,223.94/529,639.08 = 116,503.06/x
  3. Step 3: Cross multiply
    353,223.94x = 529,639.08 × 116,503.06
  4. Step 4: Simplify right side
    353,223.94x = 61,704,573,515.58
  5. Step 5: Solve for x
    x = 61,704,573,515.58/353,223.94
  6. Step 6: Final answer
    x = 174,689.67

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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.