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Finding the Fourth Proportional to 245,829,211.20, 368,743,816.80 and 245,829,211.20

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Solution

The fourth proportional to 245,829,211.20, 368,743,816.80 and 245,829,211.20 is: 368,743,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,829,211.20 : 368,743,816.80 = 245,829,211.20 : x
  2. Step 2: Convert to fraction form
    245,829,211.20/368,743,816.80 = 245,829,211.20/x
  3. Step 3: Cross multiply
    245,829,211.20x = 368,743,816.80 × 245,829,211.20
  4. Step 4: Simplify right side
    245,829,211.20x = 90,648,001,618,821,312
  5. Step 5: Solve for x
    x = 90,648,001,618,821,312/245,829,211.20
  6. Step 6: Final answer
    x = 368,743,816.80

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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.