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Finding the Fourth Proportional to 556,630.88, 768,152.09 and 301,982.06

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Solution

The fourth proportional to 556,630.88, 768,152.09 and 301,982.06 is: 416,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,630.88 : 768,152.09 = 301,982.06 : x
  2. Step 2: Convert to fraction form
    556,630.88/768,152.09 = 301,982.06/x
  3. Step 3: Cross multiply
    556,630.88x = 768,152.09 × 301,982.06
  4. Step 4: Simplify right side
    556,630.88x = 231,968,153,206.84
  5. Step 5: Solve for x
    x = 231,968,153,206.84/556,630.88
  6. Step 6: Final answer
    x = 416,736.05

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1.5x scale

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.