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Finding the Fourth Proportional to 323,292.20, 484,938.35 and 98,653.82

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Solution

The fourth proportional to 323,292.20, 484,938.35 and 98,653.82 is: 147,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,292.20 : 484,938.35 = 98,653.82 : x
  2. Step 2: Convert to fraction form
    323,292.20/484,938.35 = 98,653.82/x
  3. Step 3: Cross multiply
    323,292.20x = 484,938.35 × 98,653.82
  4. Step 4: Simplify right side
    323,292.20x = 47,841,020,692.00
  5. Step 5: Solve for x
    x = 47,841,020,692.00/323,292.20
  6. Step 6: Final answer
    x = 147,980.75

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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.