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Finding the Fourth Proportional to 403,970.67, 604,894.10 and 368,541.27

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Solution

The fourth proportional to 403,970.67, 604,894.10 and 368,541.27 is: 551,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,970.67 : 604,894.10 = 368,541.27 : x
  2. Step 2: Convert to fraction form
    403,970.67/604,894.10 = 368,541.27/x
  3. Step 3: Cross multiply
    403,970.67x = 604,894.10 × 368,541.27
  4. Step 4: Simplify right side
    403,970.67x = 222,928,437,986.80
  5. Step 5: Solve for x
    x = 222,928,437,986.80/403,970.67
  6. Step 6: Final answer
    x = 551,843.13

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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.