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Finding the Fourth Proportional to 341,859.61, 471,756.34 and 188,895.36

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Solution

The fourth proportional to 341,859.61, 471,756.34 and 188,895.36 is: 260,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,859.61 : 471,756.34 = 188,895.36 : x
  2. Step 2: Convert to fraction form
    341,859.61/471,756.34 = 188,895.36/x
  3. Step 3: Cross multiply
    341,859.61x = 471,756.34 × 188,895.36
  4. Step 4: Simplify right side
    341,859.61x = 89,112,583,676.58
  5. Step 5: Solve for x
    x = 89,112,583,676.58/341,859.61
  6. Step 6: Final answer
    x = 260,670.11

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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.