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Finding the Fourth Proportional to 266,112,069.60, 371,649,904.80 and 266,112,069.60

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Solution

The fourth proportional to 266,112,069.60, 371,649,904.80 and 266,112,069.60 is: 371,649,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,069.60 : 371,649,904.80 = 266,112,069.60 : x
  2. Step 2: Convert to fraction form
    266,112,069.60/371,649,904.80 = 266,112,069.60/x
  3. Step 3: Cross multiply
    266,112,069.60x = 371,649,904.80 × 266,112,069.60
  4. Step 4: Simplify right side
    266,112,069.60x = 98,900,525,332,970,976
  5. Step 5: Solve for x
    x = 98,900,525,332,970,976/266,112,069.60
  6. Step 6: Final answer
    x = 371,649,904.80

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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.