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Finding the Fourth Proportional to 262,009,624.20, 392,258,609.10 and 262,009,624.20

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Solution

The fourth proportional to 262,009,624.20, 392,258,609.10 and 262,009,624.20 is: 392,258,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,009,624.20 : 392,258,609.10 = 262,009,624.20 : x
  2. Step 2: Convert to fraction form
    262,009,624.20/392,258,609.10 = 262,009,624.20/x
  3. Step 3: Cross multiply
    262,009,624.20x = 392,258,609.10 × 262,009,624.20
  4. Step 4: Simplify right side
    262,009,624.20x = 102,775,530,759,505,696
  5. Step 5: Solve for x
    x = 102,775,530,759,505,696/262,009,624.20
  6. Step 6: Final answer
    x = 392,258,609.10

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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.