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Finding the Fourth Proportional to 505,655.58, 758,352.12 and 202,037.10

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Solution

The fourth proportional to 505,655.58, 758,352.12 and 202,037.10 is: 303,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,655.58 : 758,352.12 = 202,037.10 : x
  2. Step 2: Convert to fraction form
    505,655.58/758,352.12 = 202,037.10/x
  3. Step 3: Cross multiply
    505,655.58x = 758,352.12 × 202,037.10
  4. Step 4: Simplify right side
    505,655.58x = 153,215,263,103.65
  5. Step 5: Solve for x
    x = 153,215,263,103.65/505,655.58
  6. Step 6: Final answer
    x = 303,003.21

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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.