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Finding the Fourth Proportional to 598,728.30, 898,489.11 and 329,044.77

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Solution

The fourth proportional to 598,728.30, 898,489.11 and 329,044.77 is: 493,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,728.30 : 898,489.11 = 329,044.77 : x
  2. Step 2: Convert to fraction form
    598,728.30/898,489.11 = 329,044.77/x
  3. Step 3: Cross multiply
    598,728.30x = 898,489.11 × 329,044.77
  4. Step 4: Simplify right side
    598,728.30x = 295,643,144,457.50
  5. Step 5: Solve for x
    x = 295,643,144,457.50/598,728.30
  6. Step 6: Final answer
    x = 493,785.15

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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.