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Finding the Fourth Proportional to 332,143.80, 497,705.40 and 247,506.90

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Solution

The fourth proportional to 332,143.80, 497,705.40 and 247,506.90 is: 370,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,143.80 : 497,705.40 = 247,506.90 : x
  2. Step 2: Convert to fraction form
    332,143.80/497,705.40 = 247,506.90/x
  3. Step 3: Cross multiply
    332,143.80x = 497,705.40 × 247,506.90
  4. Step 4: Simplify right side
    332,143.80x = 123,185,520,667.26
  5. Step 5: Solve for x
    x = 123,185,520,667.26/332,143.80
  6. Step 6: Final answer
    x = 370,880.08

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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.