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Finding the Fourth Proportional to 654,165.55, 902,759.11 and 359,826.90

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Solution

The fourth proportional to 654,165.55, 902,759.11 and 359,826.90 is: 496,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,165.55 : 902,759.11 = 359,826.90 : x
  2. Step 2: Convert to fraction form
    654,165.55/902,759.11 = 359,826.90/x
  3. Step 3: Cross multiply
    654,165.55x = 902,759.11 × 359,826.90
  4. Step 4: Simplify right side
    654,165.55x = 324,837,009,110.28
  5. Step 5: Solve for x
    x = 324,837,009,110.28/654,165.55
  6. Step 6: Final answer
    x = 496,566.98

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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.