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Finding the Fourth Proportional to 459,076.30, 688,614.45 and 159,457.30

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Solution

The fourth proportional to 459,076.30, 688,614.45 and 159,457.30 is: 239,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,076.30 : 688,614.45 = 159,457.30 : x
  2. Step 2: Convert to fraction form
    459,076.30/688,614.45 = 159,457.30/x
  3. Step 3: Cross multiply
    459,076.30x = 688,614.45 × 159,457.30
  4. Step 4: Simplify right side
    459,076.30x = 109,804,600,937.99
  5. Step 5: Solve for x
    x = 109,804,600,937.99/459,076.30
  6. Step 6: Final answer
    x = 239,185.95

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Similar ratio
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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.