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Finding the Fourth Proportional to 517,037.54, 775,566.03 and 162,043.70

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Solution

The fourth proportional to 517,037.54, 775,566.03 and 162,043.70 is: 243,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,037.54 : 775,566.03 = 162,043.70 : x
  2. Step 2: Convert to fraction form
    517,037.54/775,566.03 = 162,043.70/x
  3. Step 3: Cross multiply
    517,037.54x = 775,566.03 × 162,043.70
  4. Step 4: Simplify right side
    517,037.54x = 125,675,589,095.51
  5. Step 5: Solve for x
    x = 125,675,589,095.51/517,037.54
  6. Step 6: Final answer
    x = 243,068.60

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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.