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Finding the Fourth Proportional to 598,666.98, 898,457.31 and 219,946.62

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Solution

The fourth proportional to 598,666.98, 898,457.31 and 219,946.62 is: 330,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,666.98 : 898,457.31 = 219,946.62 : x
  2. Step 2: Convert to fraction form
    598,666.98/898,457.31 = 219,946.62/x
  3. Step 3: Cross multiply
    598,666.98x = 898,457.31 × 219,946.62
  4. Step 4: Simplify right side
    598,666.98x = 197,612,648,548.79
  5. Step 5: Solve for x
    x = 197,612,648,548.79/598,666.98
  6. Step 6: Final answer
    x = 330,087.77

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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.