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Finding the Fourth Proportional to 404,705,725.76, 607,017,734.08 and 274,384,767.32

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Solution

The fourth proportional to 404,705,725.76, 607,017,734.08 and 274,384,767.32 is: 411,549,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,705,725.76 : 607,017,734.08 = 274,384,767.32 : x
  2. Step 2: Convert to fraction form
    404,705,725.76/607,017,734.08 = 274,384,767.32/x
  3. Step 3: Cross multiply
    404,705,725.76x = 607,017,734.08 × 274,384,767.32
  4. Step 4: Simplify right side
    404,705,725.76x = 166,556,419,724,654,432
  5. Step 5: Solve for x
    x = 166,556,419,724,654,432/404,705,725.76
  6. Step 6: Final answer
    x = 411,549,452.17

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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.