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Finding the Fourth Proportional to 475,761.81, 656,566.53 and 260,901.36

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Solution

The fourth proportional to 475,761.81, 656,566.53 and 260,901.36 is: 360,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,761.81 : 656,566.53 = 260,901.36 : x
  2. Step 2: Convert to fraction form
    475,761.81/656,566.53 = 260,901.36/x
  3. Step 3: Cross multiply
    475,761.81x = 656,566.53 × 260,901.36
  4. Step 4: Simplify right side
    475,761.81x = 171,299,100,607.48
  5. Step 5: Solve for x
    x = 171,299,100,607.48/475,761.81
  6. Step 6: Final answer
    x = 360,052.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.