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Finding the Fourth Proportional to 296,784,055.80, 445,176,083.70 and 220,256,551.80

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Solution

The fourth proportional to 296,784,055.80, 445,176,083.70 and 220,256,551.80 is: 330,384,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,784,055.80 : 445,176,083.70 = 220,256,551.80 : x
  2. Step 2: Convert to fraction form
    296,784,055.80/445,176,083.70 = 220,256,551.80/x
  3. Step 3: Cross multiply
    296,784,055.80x = 445,176,083.70 × 220,256,551.80
  4. Step 4: Simplify right side
    296,784,055.80x = 98,052,949,139,590,192
  5. Step 5: Solve for x
    x = 98,052,949,139,590,192/296,784,055.80
  6. Step 6: Final answer
    x = 330,384,827.70

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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.