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Finding the Fourth Proportional to 566,420,940.80, 849,631,411.20 and 566,420,940.80

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Solution

The fourth proportional to 566,420,940.80, 849,631,411.20 and 566,420,940.80 is: 849,631,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,420,940.80 : 849,631,411.20 = 566,420,940.80 : x
  2. Step 2: Convert to fraction form
    566,420,940.80/849,631,411.20 = 566,420,940.80/x
  3. Step 3: Cross multiply
    566,420,940.80x = 849,631,411.20 × 566,420,940.80
  4. Step 4: Simplify right side
    566,420,940.80x = 481,249,023,265,135,616
  5. Step 5: Solve for x
    x = 481,249,023,265,135,616/566,420,940.80
  6. Step 6: Final answer
    x = 849,631,411.20

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Double scale
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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.