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Finding the Fourth Proportional to 517,242.50, 775,925.96 and 171,037.67

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Solution

The fourth proportional to 517,242.50, 775,925.96 and 171,037.67 is: 256,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,242.50 : 775,925.96 = 171,037.67 : x
  2. Step 2: Convert to fraction form
    517,242.50/775,925.96 = 171,037.67/x
  3. Step 3: Cross multiply
    517,242.50x = 775,925.96 × 171,037.67
  4. Step 4: Simplify right side
    517,242.50x = 132,712,563,556.10
  5. Step 5: Solve for x
    x = 132,712,563,556.10/517,242.50
  6. Step 6: Final answer
    x = 256,577.07

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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.