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Finding the Fourth Proportional to 474,804,429.70, 712,206,644.55 and 393,175,092.10

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Solution

The fourth proportional to 474,804,429.70, 712,206,644.55 and 393,175,092.10 is: 589,762,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,804,429.70 : 712,206,644.55 = 393,175,092.10 : x
  2. Step 2: Convert to fraction form
    474,804,429.70/712,206,644.55 = 393,175,092.10/x
  3. Step 3: Cross multiply
    474,804,429.70x = 712,206,644.55 × 393,175,092.10
  4. Step 4: Simplify right side
    474,804,429.70x = 280,021,913,065,178,208
  5. Step 5: Solve for x
    x = 280,021,913,065,178,208/474,804,429.70
  6. Step 6: Final answer
    x = 589,762,638.15

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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.