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Finding the Fourth Proportional to 493,687.50, 740,533.68 and 119,710.50

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Solution

The fourth proportional to 493,687.50, 740,533.68 and 119,710.50 is: 179,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,687.50 : 740,533.68 = 119,710.50 : x
  2. Step 2: Convert to fraction form
    493,687.50/740,533.68 = 119,710.50/x
  3. Step 3: Cross multiply
    493,687.50x = 740,533.68 × 119,710.50
  4. Step 4: Simplify right side
    493,687.50x = 88,649,657,099.64
  5. Step 5: Solve for x
    x = 88,649,657,099.64/493,687.50
  6. Step 6: Final answer
    x = 179,566.34

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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.