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Finding the Fourth Proportional to 602,644.96, 903,966.56 and 247,408.72

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Solution

The fourth proportional to 602,644.96, 903,966.56 and 247,408.72 is: 371,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,644.96 : 903,966.56 = 247,408.72 : x
  2. Step 2: Convert to fraction form
    602,644.96/903,966.56 = 247,408.72/x
  3. Step 3: Cross multiply
    602,644.96x = 903,966.56 × 247,408.72
  4. Step 4: Simplify right side
    602,644.96x = 223,649,209,532.40
  5. Step 5: Solve for x
    x = 223,649,209,532.40/602,644.96
  6. Step 6: Final answer
    x = 371,112.72

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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.