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Finding the Fourth Proportional to 529,570.68, 794,349.11 and 130,214.91

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Solution

The fourth proportional to 529,570.68, 794,349.11 and 130,214.91 is: 195,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,570.68 : 794,349.11 = 130,214.91 : x
  2. Step 2: Convert to fraction form
    529,570.68/794,349.11 = 130,214.91/x
  3. Step 3: Cross multiply
    529,570.68x = 794,349.11 × 130,214.91
  4. Step 4: Simplify right side
    529,570.68x = 103,436,101,171.58
  5. Step 5: Solve for x
    x = 103,436,101,171.58/529,570.68
  6. Step 6: Final answer
    x = 195,320.67

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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.