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Finding the Fourth Proportional to 209,952,246.45, 293,252,900.55 and 209,952,246.45

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Solution

The fourth proportional to 209,952,246.45, 293,252,900.55 and 209,952,246.45 is: 293,252,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,246.45 : 293,252,900.55 = 209,952,246.45 : x
  2. Step 2: Convert to fraction form
    209,952,246.45/293,252,900.55 = 209,952,246.45/x
  3. Step 3: Cross multiply
    209,952,246.45x = 293,252,900.55 × 209,952,246.45
  4. Step 4: Simplify right side
    209,952,246.45x = 61,569,105,248,450,936
  5. Step 5: Solve for x
    x = 61,569,105,248,450,936/209,952,246.45
  6. Step 6: Final answer
    x = 293,252,900.55

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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.