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Finding the Fourth Proportional to 403,804.40, 604,540.20 and 246,340.40

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Solution

The fourth proportional to 403,804.40, 604,540.20 and 246,340.40 is: 368,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,804.40 : 604,540.20 = 246,340.40 : x
  2. Step 2: Convert to fraction form
    403,804.40/604,540.20 = 246,340.40/x
  3. Step 3: Cross multiply
    403,804.40x = 604,540.20 × 246,340.40
  4. Step 4: Simplify right side
    403,804.40x = 148,922,674,684.08
  5. Step 5: Solve for x
    x = 148,922,674,684.08/403,804.40
  6. Step 6: Final answer
    x = 368,799.04

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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.