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Finding the Fourth Proportional to 699,009, 1,048,247.06 and 249,645.96

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Solution

The fourth proportional to 699,009, 1,048,247.06 and 249,645.96 is: 374,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,009 : 1,048,247.06 = 249,645.96 : x
  2. Step 2: Convert to fraction form
    699,009/1,048,247.06 = 249,645.96/x
  3. Step 3: Cross multiply
    699,009x = 1,048,247.06 × 249,645.96
  4. Step 4: Simplify right side
    699,009x = 261,690,643,610.88
  5. Step 5: Solve for x
    x = 261,690,643,610.88/699,009
  6. Step 6: Final answer
    x = 374,373.78

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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.