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Finding the Fourth Proportional to 536,958.40, 805,382.12 and 181,963.20

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Solution

The fourth proportional to 536,958.40, 805,382.12 and 181,963.20 is: 272,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,958.40 : 805,382.12 = 181,963.20 : x
  2. Step 2: Convert to fraction form
    536,958.40/805,382.12 = 181,963.20/x
  3. Step 3: Cross multiply
    536,958.40x = 805,382.12 × 181,963.20
  4. Step 4: Simplify right side
    536,958.40x = 146,549,907,777.98
  5. Step 5: Solve for x
    x = 146,549,907,777.98/536,958.40
  6. Step 6: Final answer
    x = 272,926.00

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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.