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Finding the Fourth Proportional to 243,577,980.70, 365,366,971.05 and 243,577,980.70

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Solution

The fourth proportional to 243,577,980.70, 365,366,971.05 and 243,577,980.70 is: 365,366,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577,980.70 : 365,366,971.05 = 243,577,980.70 : x
  2. Step 2: Convert to fraction form
    243,577,980.70/365,366,971.05 = 243,577,980.70/x
  3. Step 3: Cross multiply
    243,577,980.70x = 365,366,971.05 × 243,577,980.70
  4. Step 4: Simplify right side
    243,577,980.70x = 88,995,349,022,834,352
  5. Step 5: Solve for x
    x = 88,995,349,022,834,352/243,577,980.70
  6. Step 6: Final answer
    x = 365,366,971.05

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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.