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Finding the Fourth Proportional to 603,576,822.30, 905,365,233.45 and 567,863,987.10

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Solution

The fourth proportional to 603,576,822.30, 905,365,233.45 and 567,863,987.10 is: 851,795,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,576,822.30 : 905,365,233.45 = 567,863,987.10 : x
  2. Step 2: Convert to fraction form
    603,576,822.30/905,365,233.45 = 567,863,987.10/x
  3. Step 3: Cross multiply
    603,576,822.30x = 905,365,233.45 × 567,863,987.10
  4. Step 4: Simplify right side
    603,576,822.30x = 514,124,311,248,639,360
  5. Step 5: Solve for x
    x = 514,124,311,248,639,360/603,576,822.30
  6. Step 6: Final answer
    x = 851,795,980.65

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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.