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Finding the Fourth Proportional to 403,959.42, 604,877.22 and 368,530.02

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Solution

The fourth proportional to 403,959.42, 604,877.22 and 368,530.02 is: 551,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,959.42 : 604,877.22 = 368,530.02 : x
  2. Step 2: Convert to fraction form
    403,959.42/604,877.22 = 368,530.02/x
  3. Step 3: Cross multiply
    403,959.42x = 604,877.22 × 368,530.02
  4. Step 4: Simplify right side
    403,959.42x = 222,915,413,984.14
  5. Step 5: Solve for x
    x = 222,915,413,984.14/403,959.42
  6. Step 6: Final answer
    x = 551,826.26

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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.