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Finding the Fourth Proportional to 338,486.64, 506,733.68 and 250,134.32

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Solution

The fourth proportional to 338,486.64, 506,733.68 and 250,134.32 is: 374,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,486.64 : 506,733.68 = 250,134.32 : x
  2. Step 2: Convert to fraction form
    338,486.64/506,733.68 = 250,134.32/x
  3. Step 3: Cross multiply
    338,486.64x = 506,733.68 × 250,134.32
  4. Step 4: Simplify right side
    338,486.64x = 126,751,484,467.90
  5. Step 5: Solve for x
    x = 126,751,484,467.90/338,486.64
  6. Step 6: Final answer
    x = 374,465.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.