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Finding the Fourth Proportional to 474,604,966.80, 711,907,450.20 and 474,604,966.80

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Solution

The fourth proportional to 474,604,966.80, 711,907,450.20 and 474,604,966.80 is: 711,907,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,604,966.80 : 711,907,450.20 = 474,604,966.80 : x
  2. Step 2: Convert to fraction form
    474,604,966.80/711,907,450.20 = 474,604,966.80/x
  3. Step 3: Cross multiply
    474,604,966.80x = 711,907,450.20 × 474,604,966.80
  4. Step 4: Simplify right side
    474,604,966.80x = 337,874,811,766,843,712
  5. Step 5: Solve for x
    x = 337,874,811,766,843,712/474,604,966.80
  6. Step 6: Final answer
    x = 711,907,450.20

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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.