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Finding the Fourth Proportional to 329,147,059.20, 493,720,588.80 and 329,147,059.20

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Solution

The fourth proportional to 329,147,059.20, 493,720,588.80 and 329,147,059.20 is: 493,720,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,147,059.20 : 493,720,588.80 = 329,147,059.20 : x
  2. Step 2: Convert to fraction form
    329,147,059.20/493,720,588.80 = 329,147,059.20/x
  3. Step 3: Cross multiply
    329,147,059.20x = 493,720,588.80 × 329,147,059.20
  4. Step 4: Simplify right side
    329,147,059.20x = 162,506,679,870,012,448
  5. Step 5: Solve for x
    x = 162,506,679,870,012,448/329,147,059.20
  6. Step 6: Final answer
    x = 493,720,588.80

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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.