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Finding the Fourth Proportional to 385,058,230.20, 577,587,345.30 and 385,058,230.20

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Solution

The fourth proportional to 385,058,230.20, 577,587,345.30 and 385,058,230.20 is: 577,587,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,058,230.20 : 577,587,345.30 = 385,058,230.20 : x
  2. Step 2: Convert to fraction form
    385,058,230.20/577,587,345.30 = 385,058,230.20/x
  3. Step 3: Cross multiply
    385,058,230.20x = 577,587,345.30 × 385,058,230.20
  4. Step 4: Simplify right side
    385,058,230.20x = 222,404,760,967,134,272
  5. Step 5: Solve for x
    x = 222,404,760,967,134,272/385,058,230.20
  6. Step 6: Final answer
    x = 577,587,345.30

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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.