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Finding the Fourth Proportional to 549,535.09, 758,079.41 and 374,974.37

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Solution

The fourth proportional to 549,535.09, 758,079.41 and 374,974.37 is: 517,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,535.09 : 758,079.41 = 374,974.37 : x
  2. Step 2: Convert to fraction form
    549,535.09/758,079.41 = 374,974.37/x
  3. Step 3: Cross multiply
    549,535.09x = 758,079.41 × 374,974.37
  4. Step 4: Simplify right side
    549,535.09x = 284,260,351,648.20
  5. Step 5: Solve for x
    x = 284,260,351,648.20/549,535.09
  6. Step 6: Final answer
    x = 517,274.25

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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.