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Finding the Fourth Proportional to 329,092.40, 493,638.60 and 189,124.40

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Solution

The fourth proportional to 329,092.40, 493,638.60 and 189,124.40 is: 283,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,092.40 : 493,638.60 = 189,124.40 : x
  2. Step 2: Convert to fraction form
    329,092.40/493,638.60 = 189,124.40/x
  3. Step 3: Cross multiply
    329,092.40x = 493,638.60 × 189,124.40
  4. Step 4: Simplify right side
    329,092.40x = 93,359,104,041.84
  5. Step 5: Solve for x
    x = 93,359,104,041.84/329,092.40
  6. Step 6: Final answer
    x = 283,686.60

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1.5x scale

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.