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Finding the Fourth Proportional to 368,303.25, 552,462.02 and 115,591.96

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Solution

The fourth proportional to 368,303.25, 552,462.02 and 115,591.96 is: 173,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,303.25 : 552,462.02 = 115,591.96 : x
  2. Step 2: Convert to fraction form
    368,303.25/552,462.02 = 115,591.96/x
  3. Step 3: Cross multiply
    368,303.25x = 552,462.02 × 115,591.96
  4. Step 4: Simplify right side
    368,303.25x = 63,860,168,263.45
  5. Step 5: Solve for x
    x = 63,860,168,263.45/368,303.25
  6. Step 6: Final answer
    x = 173,390.18

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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.