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Finding the Fourth Proportional to 403,283.81, 604,925.73 and 122,801.06

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Solution

The fourth proportional to 403,283.81, 604,925.73 and 122,801.06 is: 184,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,283.81 : 604,925.73 = 122,801.06 : x
  2. Step 2: Convert to fraction form
    403,283.81/604,925.73 = 122,801.06/x
  3. Step 3: Cross multiply
    403,283.81x = 604,925.73 × 122,801.06
  4. Step 4: Simplify right side
    403,283.81x = 74,285,522,377.59
  5. Step 5: Solve for x
    x = 74,285,522,377.59/403,283.81
  6. Step 6: Final answer
    x = 184,201.60

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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.