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Finding the Fourth Proportional to 329,661.60, 494,492.40 and 297,002.40

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Solution

The fourth proportional to 329,661.60, 494,492.40 and 297,002.40 is: 445,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,661.60 : 494,492.40 = 297,002.40 : x
  2. Step 2: Convert to fraction form
    329,661.60/494,492.40 = 297,002.40/x
  3. Step 3: Cross multiply
    329,661.60x = 494,492.40 × 297,002.40
  4. Step 4: Simplify right side
    329,661.60x = 146,865,429,581.76
  5. Step 5: Solve for x
    x = 146,865,429,581.76/329,661.60
  6. Step 6: Final answer
    x = 445,503.60

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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.