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Finding the Fourth Proportional to 310,373.70, 465,886.32 and 275,060.94

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Solution

The fourth proportional to 310,373.70, 465,886.32 and 275,060.94 is: 412,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,373.70 : 465,886.32 = 275,060.94 : x
  2. Step 2: Convert to fraction form
    310,373.70/465,886.32 = 275,060.94/x
  3. Step 3: Cross multiply
    310,373.70x = 465,886.32 × 275,060.94
  4. Step 4: Simplify right side
    310,373.70x = 128,147,129,112.34
  5. Step 5: Solve for x
    x = 128,147,129,112.34/310,373.70
  6. Step 6: Final answer
    x = 412,880.12

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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.