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Finding the Fourth Proportional to 560,483,267.80, 840,724,901.70 and 366,991,504.60

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Solution

The fourth proportional to 560,483,267.80, 840,724,901.70 and 366,991,504.60 is: 550,487,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,483,267.80 : 840,724,901.70 = 366,991,504.60 : x
  2. Step 2: Convert to fraction form
    560,483,267.80/840,724,901.70 = 366,991,504.60/x
  3. Step 3: Cross multiply
    560,483,267.80x = 840,724,901.70 × 366,991,504.60
  4. Step 4: Simplify right side
    560,483,267.80x = 308,538,896,629,570,112
  5. Step 5: Solve for x
    x = 308,538,896,629,570,112/560,483,267.80
  6. Step 6: Final answer
    x = 550,487,256.90

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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.