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Finding the Fourth Proportional to 262,851,751.80, 394,277,627.70 and 194,827,303.80

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Solution

The fourth proportional to 262,851,751.80, 394,277,627.70 and 194,827,303.80 is: 292,240,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,851,751.80 : 394,277,627.70 = 194,827,303.80 : x
  2. Step 2: Convert to fraction form
    262,851,751.80/394,277,627.70 = 194,827,303.80/x
  3. Step 3: Cross multiply
    262,851,751.80x = 394,277,627.70 × 194,827,303.80
  4. Step 4: Simplify right side
    262,851,751.80x = 76,816,047,153,451,200
  5. Step 5: Solve for x
    x = 76,816,047,153,451,200/262,851,751.80
  6. Step 6: Final answer
    x = 292,240,955.70

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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.