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Finding the Fourth Proportional to 209,952,501.45, 293,253,257.55 and 209,952,501.45

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Solution

The fourth proportional to 209,952,501.45, 293,253,257.55 and 209,952,501.45 is: 293,253,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,501.45 : 293,253,257.55 = 209,952,501.45 : x
  2. Step 2: Convert to fraction form
    209,952,501.45/293,253,257.55 = 209,952,501.45/x
  3. Step 3: Cross multiply
    209,952,501.45x = 293,253,257.55 × 209,952,501.45
  4. Step 4: Simplify right side
    209,952,501.45x = 61,569,254,980,983,600
  5. Step 5: Solve for x
    x = 61,569,254,980,983,600/209,952,501.45
  6. Step 6: Final answer
    x = 293,253,257.55

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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.