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Finding the Fourth Proportional to 277,438,848.40, 416,032,301.40 and 104,858,304.40

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Solution

The fourth proportional to 277,438,848.40, 416,032,301.40 and 104,858,304.40 is: 157,239,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,438,848.40 : 416,032,301.40 = 104,858,304.40 : x
  2. Step 2: Convert to fraction form
    277,438,848.40/416,032,301.40 = 104,858,304.40/x
  3. Step 3: Cross multiply
    277,438,848.40x = 416,032,301.40 × 104,858,304.40
  4. Step 4: Simplify right side
    277,438,848.40x = 43,624,441,700,433,744
  5. Step 5: Solve for x
    x = 43,624,441,700,433,744/277,438,848.40
  6. Step 6: Final answer
    x = 157,239,845.65

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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.