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Finding the Fourth Proportional to 194,950.80, 292,426.20 and 191,840.40

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Solution

The fourth proportional to 194,950.80, 292,426.20 and 191,840.40 is: 287,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,950.80 : 292,426.20 = 191,840.40 : x
  2. Step 2: Convert to fraction form
    194,950.80/292,426.20 = 191,840.40/x
  3. Step 3: Cross multiply
    194,950.80x = 292,426.20 × 191,840.40
  4. Step 4: Simplify right side
    194,950.80x = 56,099,159,178.48
  5. Step 5: Solve for x
    x = 56,099,159,178.48/194,950.80
  6. Step 6: Final answer
    x = 287,760.60

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1.5x scale

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.