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Finding the Fourth Proportional to 536,903.40, 805,359.94 and 162,926.40

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Solution

The fourth proportional to 536,903.40, 805,359.94 and 162,926.40 is: 244,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,903.40 : 805,359.94 = 162,926.40 : x
  2. Step 2: Convert to fraction form
    536,903.40/805,359.94 = 162,926.40/x
  3. Step 3: Cross multiply
    536,903.40x = 805,359.94 × 162,926.40
  4. Step 4: Simplify right side
    536,903.40x = 131,214,395,728.42
  5. Step 5: Solve for x
    x = 131,214,395,728.42/536,903.40
  6. Step 6: Final answer
    x = 244,391.07

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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.