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Finding the Fourth Proportional to 651,457.75, 898,989.96 and 361,056.94

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Solution

The fourth proportional to 651,457.75, 898,989.96 and 361,056.94 is: 498,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,457.75 : 898,989.96 = 361,056.94 : x
  2. Step 2: Convert to fraction form
    651,457.75/898,989.96 = 361,056.94/x
  3. Step 3: Cross multiply
    651,457.75x = 898,989.96 × 361,056.94
  4. Step 4: Simplify right side
    651,457.75x = 324,586,564,048.32
  5. Step 5: Solve for x
    x = 324,586,564,048.32/651,457.75
  6. Step 6: Final answer
    x = 498,246.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.