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Finding the Fourth Proportional to 329,004.70, 493,737.45 and 210,963.10

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Solution

The fourth proportional to 329,004.70, 493,737.45 and 210,963.10 is: 316,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,004.70 : 493,737.45 = 210,963.10 : x
  2. Step 2: Convert to fraction form
    329,004.70/493,737.45 = 210,963.10/x
  3. Step 3: Cross multiply
    329,004.70x = 493,737.45 × 210,963.10
  4. Step 4: Simplify right side
    329,004.70x = 104,160,383,038.10
  5. Step 5: Solve for x
    x = 104,160,383,038.10/329,004.70
  6. Step 6: Final answer
    x = 316,592.39

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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.