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Finding the Fourth Proportional to 301,988,391.17, 416,737,447.88 and 174,834,431.64

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Solution

The fourth proportional to 301,988,391.17, 416,737,447.88 and 174,834,431.64 is: 241,267,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,988,391.17 : 416,737,447.88 = 174,834,431.64 : x
  2. Step 2: Convert to fraction form
    301,988,391.17/416,737,447.88 = 174,834,431.64/x
  3. Step 3: Cross multiply
    301,988,391.17x = 416,737,447.88 × 174,834,431.64
  4. Step 4: Simplify right side
    301,988,391.17x = 72,860,054,842,329,744
  5. Step 5: Solve for x
    x = 72,860,054,842,329,744/301,988,391.17
  6. Step 6: Final answer
    x = 241,267,734.04

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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.