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Finding the Fourth Proportional to 524,903.32, 786,171.22 and 243,829.08

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Solution

The fourth proportional to 524,903.32, 786,171.22 and 243,829.08 is: 365,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,903.32 : 786,171.22 = 243,829.08 : x
  2. Step 2: Convert to fraction form
    524,903.32/786,171.22 = 243,829.08/x
  3. Step 3: Cross multiply
    524,903.32x = 786,171.22 × 243,829.08
  4. Step 4: Simplify right side
    524,903.32x = 191,691,405,295.08
  5. Step 5: Solve for x
    x = 191,691,405,295.08/524,903.32
  6. Step 6: Final answer
    x = 365,193.74

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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.