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Finding the Fourth Proportional to 354,617.70, 532,210 and 183,887.92

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Solution

The fourth proportional to 354,617.70, 532,210 and 183,887.92 is: 275,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,617.70 : 532,210 = 183,887.92 : x
  2. Step 2: Convert to fraction form
    354,617.70/532,210 = 183,887.92/x
  3. Step 3: Cross multiply
    354,617.70x = 532,210 × 183,887.92
  4. Step 4: Simplify right side
    354,617.70x = 97,866,989,903.20
  5. Step 5: Solve for x
    x = 97,866,989,903.20/354,617.70
  6. Step 6: Final answer
    x = 275,978.86

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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.