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Finding the Fourth Proportional to 322,465.70, 483,702.60 and 97,828.40

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Solution

The fourth proportional to 322,465.70, 483,702.60 and 97,828.40 is: 146,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,465.70 : 483,702.60 = 97,828.40 : x
  2. Step 2: Convert to fraction form
    322,465.70/483,702.60 = 97,828.40/x
  3. Step 3: Cross multiply
    322,465.70x = 483,702.60 × 97,828.40
  4. Step 4: Simplify right side
    322,465.70x = 47,319,851,433.84
  5. Step 5: Solve for x
    x = 47,319,851,433.84/322,465.70
  6. Step 6: Final answer
    x = 146,743.83

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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.