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Finding the Fourth Proportional to 298,908,053.80, 448,362,080.70 and 177,975,701.80

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Solution

The fourth proportional to 298,908,053.80, 448,362,080.70 and 177,975,701.80 is: 266,963,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,908,053.80 : 448,362,080.70 = 177,975,701.80 : x
  2. Step 2: Convert to fraction form
    298,908,053.80/448,362,080.70 = 177,975,701.80/x
  3. Step 3: Cross multiply
    298,908,053.80x = 448,362,080.70 × 177,975,701.80
  4. Step 4: Simplify right side
    298,908,053.80x = 79,797,555,973,090,736
  5. Step 5: Solve for x
    x = 79,797,555,973,090,736/298,908,053.80
  6. Step 6: Final answer
    x = 266,963,552.70

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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.