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Finding the Fourth Proportional to 679,556.63, 937,768.31 and 373,632.68

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Solution

The fourth proportional to 679,556.63, 937,768.31 and 373,632.68 is: 515,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,556.63 : 937,768.31 = 373,632.68 : x
  2. Step 2: Convert to fraction form
    679,556.63/937,768.31 = 373,632.68/x
  3. Step 3: Cross multiply
    679,556.63x = 937,768.31 × 373,632.68
  4. Step 4: Simplify right side
    679,556.63x = 350,380,880,327.37
  5. Step 5: Solve for x
    x = 350,380,880,327.37/679,556.63
  6. Step 6: Final answer
    x = 515,602.18

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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.