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Finding the Fourth Proportional to 329,007.30, 493,510.95 and 210,909.30

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Solution

The fourth proportional to 329,007.30, 493,510.95 and 210,909.30 is: 316,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,007.30 : 493,510.95 = 210,909.30 : x
  2. Step 2: Convert to fraction form
    329,007.30/493,510.95 = 210,909.30/x
  3. Step 3: Cross multiply
    329,007.30x = 493,510.95 × 210,909.30
  4. Step 4: Simplify right side
    329,007.30x = 104,086,049,006.84
  5. Step 5: Solve for x
    x = 104,086,049,006.84/329,007.30
  6. Step 6: Final answer
    x = 316,363.95

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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.