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Finding the Fourth Proportional to 355,848.40, 533,124.60 and 168,446.80

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Solution

The fourth proportional to 355,848.40, 533,124.60 and 168,446.80 is: 252,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,848.40 : 533,124.60 = 168,446.80 : x
  2. Step 2: Convert to fraction form
    355,848.40/533,124.60 = 168,446.80/x
  3. Step 3: Cross multiply
    355,848.40x = 533,124.60 × 168,446.80
  4. Step 4: Simplify right side
    355,848.40x = 89,803,132,871.28
  5. Step 5: Solve for x
    x = 89,803,132,871.28/355,848.40
  6. Step 6: Final answer
    x = 252,363.46

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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.