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Finding the Fourth Proportional to 277,452,972.40, 416,053,487.40 and 104,872,428.40

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Solution

The fourth proportional to 277,452,972.40, 416,053,487.40 and 104,872,428.40 is: 157,261,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,452,972.40 : 416,053,487.40 = 104,872,428.40 : x
  2. Step 2: Convert to fraction form
    277,452,972.40/416,053,487.40 = 104,872,428.40/x
  3. Step 3: Cross multiply
    277,452,972.40x = 416,053,487.40 × 104,872,428.40
  4. Step 4: Simplify right side
    277,452,972.40x = 43,632,539,567,926,800
  5. Step 5: Solve for x
    x = 43,632,539,567,926,800/277,452,972.40
  6. Step 6: Final answer
    x = 157,261,027.66

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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.