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Finding the Fourth Proportional to 501,673,618.20, 752,510,427.30 and 501,673,618.20

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Solution

The fourth proportional to 501,673,618.20, 752,510,427.30 and 501,673,618.20 is: 752,510,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,673,618.20 : 752,510,427.30 = 501,673,618.20 : x
  2. Step 2: Convert to fraction form
    501,673,618.20/752,510,427.30 = 501,673,618.20/x
  3. Step 3: Cross multiply
    501,673,618.20x = 752,510,427.30 × 501,673,618.20
  4. Step 4: Simplify right side
    501,673,618.20x = 377,514,628,796,819,008
  5. Step 5: Solve for x
    x = 377,514,628,796,819,008/501,673,618.20
  6. Step 6: Final answer
    x = 752,510,427.30

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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.