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Finding the Fourth Proportional to 284,620.40, 426,815.40 and 97,535.60

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Solution

The fourth proportional to 284,620.40, 426,815.40 and 97,535.60 is: 146,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,620.40 : 426,815.40 = 97,535.60 : x
  2. Step 2: Convert to fraction form
    284,620.40/426,815.40 = 97,535.60/x
  3. Step 3: Cross multiply
    284,620.40x = 426,815.40 × 97,535.60
  4. Step 4: Simplify right side
    284,620.40x = 41,629,696,128.24
  5. Step 5: Solve for x
    x = 41,629,696,128.24/284,620.40
  6. Step 6: Final answer
    x = 146,263.92

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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.