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Finding the Fourth Proportional to 475,497.84, 656,187.18 and 260,639.37

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Solution

The fourth proportional to 475,497.84, 656,187.18 and 260,639.37 is: 359,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,497.84 : 656,187.18 = 260,639.37 : x
  2. Step 2: Convert to fraction form
    475,497.84/656,187.18 = 260,639.37/x
  3. Step 3: Cross multiply
    475,497.84x = 656,187.18 × 260,639.37
  4. Step 4: Simplify right side
    475,497.84x = 171,028,212,219.88
  5. Step 5: Solve for x
    x = 171,028,212,219.88/475,497.84
  6. Step 6: Final answer
    x = 359,682.41

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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.