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Finding the Fourth Proportional to 341,995.85, 471,978.68 and 189,030.77

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Solution

The fourth proportional to 341,995.85, 471,978.68 and 189,030.77 is: 260,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,995.85 : 471,978.68 = 189,030.77 : x
  2. Step 2: Convert to fraction form
    341,995.85/471,978.68 = 189,030.77/x
  3. Step 3: Cross multiply
    341,995.85x = 471,978.68 × 189,030.77
  4. Step 4: Simplify right side
    341,995.85x = 89,218,489,998.94
  5. Step 5: Solve for x
    x = 89,218,489,998.94/341,995.85
  6. Step 6: Final answer
    x = 260,875.95

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1.5x scale

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.