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Finding the Fourth Proportional to 702,567, 1,053,897.34 and 247,103.56

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Solution

The fourth proportional to 702,567, 1,053,897.34 and 247,103.56 is: 370,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,567 : 1,053,897.34 = 247,103.56 : x
  2. Step 2: Convert to fraction form
    702,567/1,053,897.34 = 247,103.56/x
  3. Step 3: Cross multiply
    702,567x = 1,053,897.34 × 247,103.56
  4. Step 4: Simplify right side
    702,567x = 260,421,784,588.53
  5. Step 5: Solve for x
    x = 260,421,784,588.53/702,567
  6. Step 6: Final answer
    x = 370,671.81

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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.