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Finding the Fourth Proportional to 483,070.56, 665,540.79 and 373,799.21

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Solution

The fourth proportional to 483,070.56, 665,540.79 and 373,799.21 is: 514,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,070.56 : 665,540.79 = 373,799.21 : x
  2. Step 2: Convert to fraction form
    483,070.56/665,540.79 = 373,799.21/x
  3. Step 3: Cross multiply
    483,070.56x = 665,540.79 × 373,799.21
  4. Step 4: Simplify right side
    483,070.56x = 248,778,618,197.07
  5. Step 5: Solve for x
    x = 248,778,618,197.07/483,070.56
  6. Step 6: Final answer
    x = 514,994.37

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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.