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Finding the Fourth Proportional to 452,706.39, 624,734.65 and 248,770.45

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Solution

The fourth proportional to 452,706.39, 624,734.65 and 248,770.45 is: 343,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,706.39 : 624,734.65 = 248,770.45 : x
  2. Step 2: Convert to fraction form
    452,706.39/624,734.65 = 248,770.45/x
  3. Step 3: Cross multiply
    452,706.39x = 624,734.65 × 248,770.45
  4. Step 4: Simplify right side
    452,706.39x = 155,415,515,643.57
  5. Step 5: Solve for x
    x = 155,415,515,643.57/452,706.39
  6. Step 6: Final answer
    x = 343,303.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.