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Finding the Fourth Proportional to 578,840.01, 798,544.76 and 349,269.25

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Solution

The fourth proportional to 578,840.01, 798,544.76 and 349,269.25 is: 481,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,840.01 : 798,544.76 = 349,269.25 : x
  2. Step 2: Convert to fraction form
    578,840.01/798,544.76 = 349,269.25/x
  3. Step 3: Cross multiply
    578,840.01x = 798,544.76 × 349,269.25
  4. Step 4: Simplify right side
    578,840.01x = 278,907,128,293.44
  5. Step 5: Solve for x
    x = 278,907,128,293.44/578,840.01
  6. Step 6: Final answer
    x = 481,838.03

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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.