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Finding the Fourth Proportional to 483,095.52, 721,390.14 and 394,524.72

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Solution

The fourth proportional to 483,095.52, 721,390.14 and 394,524.72 is: 589,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,095.52 : 721,390.14 = 394,524.72 : x
  2. Step 2: Convert to fraction form
    483,095.52/721,390.14 = 394,524.72/x
  3. Step 3: Cross multiply
    483,095.52x = 721,390.14 × 394,524.72
  4. Step 4: Simplify right side
    483,095.52x = 284,606,242,994.26
  5. Step 5: Solve for x
    x = 284,606,242,994.26/483,095.52
  6. Step 6: Final answer
    x = 589,130.37

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.