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Finding the Fourth Proportional to 243,578,365.45, 365,367,548.18 and 243,578,365.45

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Solution

The fourth proportional to 243,578,365.45, 365,367,548.18 and 243,578,365.45 is: 365,367,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,365.45 : 365,367,548.18 = 243,578,365.45 : x
  2. Step 2: Convert to fraction form
    243,578,365.45/365,367,548.18 = 243,578,365.45/x
  3. Step 3: Cross multiply
    243,578,365.45x = 365,367,548.18 × 243,578,365.45
  4. Step 4: Simplify right side
    243,578,365.45x = 88,995,630,172,940,624
  5. Step 5: Solve for x
    x = 88,995,630,172,940,624/243,578,365.45
  6. Step 6: Final answer
    x = 365,367,548.18

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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.