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Finding the Fourth Proportional to 297,490,000.80, 446,235,001.20 and 297,490,000.80

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Solution

The fourth proportional to 297,490,000.80, 446,235,001.20 and 297,490,000.80 is: 446,235,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,490,000.80 : 446,235,001.20 = 297,490,000.80 : x
  2. Step 2: Convert to fraction form
    297,490,000.80/446,235,001.20 = 297,490,000.80/x
  3. Step 3: Cross multiply
    297,490,000.80x = 446,235,001.20 × 297,490,000.80
  4. Step 4: Simplify right side
    297,490,000.80x = 132,750,450,863,976,000
  5. Step 5: Solve for x
    x = 132,750,450,863,976,000/297,490,000.80
  6. Step 6: Final answer
    x = 446,235,001.20

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1.5x scale

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.