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Finding the Fourth Proportional to 403,287.68, 604,931.52 and 122,804.96

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Solution

The fourth proportional to 403,287.68, 604,931.52 and 122,804.96 is: 184,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,287.68 : 604,931.52 = 122,804.96 : x
  2. Step 2: Convert to fraction form
    403,287.68/604,931.52 = 122,804.96/x
  3. Step 3: Cross multiply
    403,287.68x = 604,931.52 × 122,804.96
  4. Step 4: Simplify right side
    403,287.68x = 74,288,591,116.34
  5. Step 5: Solve for x
    x = 74,288,591,116.34/403,287.68
  6. Step 6: Final answer
    x = 184,207.44

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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.