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Finding the Fourth Proportional to 434,586.60, 651,491.10 and 168,258.60

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Solution

The fourth proportional to 434,586.60, 651,491.10 and 168,258.60 is: 252,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,586.60 : 651,491.10 = 168,258.60 : x
  2. Step 2: Convert to fraction form
    434,586.60/651,491.10 = 168,258.60/x
  3. Step 3: Cross multiply
    434,586.60x = 651,491.10 × 168,258.60
  4. Step 4: Simplify right side
    434,586.60x = 109,618,980,398.46
  5. Step 5: Solve for x
    x = 109,618,980,398.46/434,586.60
  6. Step 6: Final answer
    x = 252,237.37

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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.