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Finding the Fourth Proportional to 329,248.24, 493,533.36 and 129,487.64

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Solution

The fourth proportional to 329,248.24, 493,533.36 and 129,487.64 is: 194,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,248.24 : 493,533.36 = 129,487.64 : x
  2. Step 2: Convert to fraction form
    329,248.24/493,533.36 = 129,487.64/x
  3. Step 3: Cross multiply
    329,248.24x = 493,533.36 × 129,487.64
  4. Step 4: Simplify right side
    329,248.24x = 63,906,470,047.67
  5. Step 5: Solve for x
    x = 63,906,470,047.67/329,248.24
  6. Step 6: Final answer
    x = 194,098.14

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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.