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Finding the Fourth Proportional to 567,441.88, 783,140.74 and 325,800.20

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Solution

The fourth proportional to 567,441.88, 783,140.74 and 325,800.20 is: 449,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,441.88 : 783,140.74 = 325,800.20 : x
  2. Step 2: Convert to fraction form
    567,441.88/783,140.74 = 325,800.20/x
  3. Step 3: Cross multiply
    567,441.88x = 783,140.74 × 325,800.20
  4. Step 4: Simplify right side
    567,441.88x = 255,147,409,720.15
  5. Step 5: Solve for x
    x = 255,147,409,720.15/567,441.88
  6. Step 6: Final answer
    x = 449,645.01

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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.