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Finding the Fourth Proportional to 434,538.70, 651,808.05 and 247,914.70

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Solution

The fourth proportional to 434,538.70, 651,808.05 and 247,914.70 is: 371,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,538.70 : 651,808.05 = 247,914.70 : x
  2. Step 2: Convert to fraction form
    434,538.70/651,808.05 = 247,914.70/x
  3. Step 3: Cross multiply
    434,538.70x = 651,808.05 × 247,914.70
  4. Step 4: Simplify right side
    434,538.70x = 161,592,797,173.34
  5. Step 5: Solve for x
    x = 161,592,797,173.34/434,538.70
  6. Step 6: Final answer
    x = 371,872.05

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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.