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Finding the Fourth Proportional to 560,745.92, 841,118.76 and 309,623.12

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Solution

The fourth proportional to 560,745.92, 841,118.76 and 309,623.12 is: 464,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,745.92 : 841,118.76 = 309,623.12 : x
  2. Step 2: Convert to fraction form
    560,745.92/841,118.76 = 309,623.12/x
  3. Step 3: Cross multiply
    560,745.92x = 841,118.76 × 309,623.12
  4. Step 4: Simplify right side
    560,745.92x = 260,429,814,761.73
  5. Step 5: Solve for x
    x = 260,429,814,761.73/560,745.92
  6. Step 6: Final answer
    x = 464,434.61

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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.