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Finding the Fourth Proportional to 329,614.92, 493,068.26 and 263,184.80

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Solution

The fourth proportional to 329,614.92, 493,068.26 and 263,184.80 is: 393,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,614.92 : 493,068.26 = 263,184.80 : x
  2. Step 2: Convert to fraction form
    329,614.92/493,068.26 = 263,184.80/x
  3. Step 3: Cross multiply
    329,614.92x = 493,068.26 × 263,184.80
  4. Step 4: Simplify right side
    329,614.92x = 129,768,069,587.07
  5. Step 5: Solve for x
    x = 129,768,069,587.07/329,614.92
  6. Step 6: Final answer
    x = 393,695.98

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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.