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Finding the Fourth Proportional to 354,706.60, 531,185.10 and 235,733.80

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Solution

The fourth proportional to 354,706.60, 531,185.10 and 235,733.80 is: 353,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,706.60 : 531,185.10 = 235,733.80 : x
  2. Step 2: Convert to fraction form
    354,706.60/531,185.10 = 235,733.80/x
  3. Step 3: Cross multiply
    354,706.60x = 531,185.10 × 235,733.80
  4. Step 4: Simplify right side
    354,706.60x = 125,218,282,126.38
  5. Step 5: Solve for x
    x = 125,218,282,126.38/354,706.60
  6. Step 6: Final answer
    x = 353,019.32

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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.