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Finding the Fourth Proportional to 367,231,402.80, 514,804,208.40 and 367,231,402.80

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Solution

The fourth proportional to 367,231,402.80, 514,804,208.40 and 367,231,402.80 is: 514,804,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,231,402.80 : 514,804,208.40 = 367,231,402.80 : x
  2. Step 2: Convert to fraction form
    367,231,402.80/514,804,208.40 = 367,231,402.80/x
  3. Step 3: Cross multiply
    367,231,402.80x = 514,804,208.40 × 367,231,402.80
  4. Step 4: Simplify right side
    367,231,402.80x = 189,052,271,618,075,552
  5. Step 5: Solve for x
    x = 189,052,271,618,075,552/367,231,402.80
  6. Step 6: Final answer
    x = 514,804,208.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.