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Finding the Fourth Proportional to 349,962.54, 525,211.65 and 270,880.62

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Solution

The fourth proportional to 349,962.54, 525,211.65 and 270,880.62 is: 406,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,962.54 : 525,211.65 = 270,880.62 : x
  2. Step 2: Convert to fraction form
    349,962.54/525,211.65 = 270,880.62/x
  3. Step 3: Cross multiply
    349,962.54x = 525,211.65 × 270,880.62
  4. Step 4: Simplify right side
    349,962.54x = 142,269,657,383.22
  5. Step 5: Solve for x
    x = 142,269,657,383.22/349,962.54
  6. Step 6: Final answer
    x = 406,528.25

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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.