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Finding the Fourth Proportional to 265,720,902.80, 371,148,329.50 and 265,720,902.80

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Solution

The fourth proportional to 265,720,902.80, 371,148,329.50 and 265,720,902.80 is: 371,148,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,902.80 : 371,148,329.50 = 265,720,902.80 : x
  2. Step 2: Convert to fraction form
    265,720,902.80/371,148,329.50 = 265,720,902.80/x
  3. Step 3: Cross multiply
    265,720,902.80x = 371,148,329.50 × 265,720,902.80
  4. Step 4: Simplify right side
    265,720,902.80x = 98,621,869,187,451,872
  5. Step 5: Solve for x
    x = 98,621,869,187,451,872/265,720,902.80
  6. Step 6: Final answer
    x = 371,148,329.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.