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Finding the Fourth Proportional to 325,820.40, 450,005.40 and 259,568.88

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Solution

The fourth proportional to 325,820.40, 450,005.40 and 259,568.88 is: 358,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,820.40 : 450,005.40 = 259,568.88 : x
  2. Step 2: Convert to fraction form
    325,820.40/450,005.40 = 259,568.88/x
  3. Step 3: Cross multiply
    325,820.40x = 450,005.40 × 259,568.88
  4. Step 4: Simplify right side
    325,820.40x = 116,807,397,671.95
  5. Step 5: Solve for x
    x = 116,807,397,671.95/325,820.40
  6. Step 6: Final answer
    x = 358,502.41

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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.