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Finding the Fourth Proportional to 301,988,390.41, 416,737,446.84 and 174,834,430.89

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Solution

The fourth proportional to 301,988,390.41, 416,737,446.84 and 174,834,430.89 is: 241,267,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,988,390.41 : 416,737,446.84 = 174,834,430.89 : x
  2. Step 2: Convert to fraction form
    301,988,390.41/416,737,446.84 = 174,834,430.89/x
  3. Step 3: Cross multiply
    301,988,390.41x = 416,737,446.84 × 174,834,430.89
  4. Step 4: Simplify right side
    301,988,390.41x = 72,860,054,348,823,024
  5. Step 5: Solve for x
    x = 72,860,054,348,823,024/301,988,390.41
  6. Step 6: Final answer
    x = 241,267,733.01

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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.