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Finding the Fourth Proportional to 329,117.20, 493,675.80 and 329,117.20

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Solution

The fourth proportional to 329,117.20, 493,675.80 and 329,117.20 is: 493,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,117.20 : 493,675.80 = 329,117.20 : x
  2. Step 2: Convert to fraction form
    329,117.20/493,675.80 = 329,117.20/x
  3. Step 3: Cross multiply
    329,117.20x = 493,675.80 × 329,117.20
  4. Step 4: Simplify right side
    329,117.20x = 162,477,197,003.76
  5. Step 5: Solve for x
    x = 162,477,197,003.76/329,117.20
  6. Step 6: Final answer
    x = 493,675.80

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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.