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Finding the Fourth Proportional to 403,593.93, 556,998.93 and 301,442.04

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Solution

The fourth proportional to 403,593.93, 556,998.93 and 301,442.04 is: 416,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,593.93 : 556,998.93 = 301,442.04 : x
  2. Step 2: Convert to fraction form
    403,593.93/556,998.93 = 301,442.04/x
  3. Step 3: Cross multiply
    403,593.93x = 556,998.93 × 301,442.04
  4. Step 4: Simplify right side
    403,593.93x = 167,902,893,737.02
  5. Step 5: Solve for x
    x = 167,902,893,737.02/403,593.93
  6. Step 6: Final answer
    x = 416,019.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.