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Finding the Fourth Proportional to 670,858.48, 1,006,462.68 and 250,138

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Solution

The fourth proportional to 670,858.48, 1,006,462.68 and 250,138 is: 375,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,858.48 : 1,006,462.68 = 250,138 : x
  2. Step 2: Convert to fraction form
    670,858.48/1,006,462.68 = 250,138/x
  3. Step 3: Cross multiply
    670,858.48x = 1,006,462.68 × 250,138
  4. Step 4: Simplify right side
    670,858.48x = 251,754,561,849.84
  5. Step 5: Solve for x
    x = 251,754,561,849.84/670,858.48
  6. Step 6: Final answer
    x = 375,272.24

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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.