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Finding the Fourth Proportional to 536,909.40, 805,368.94 and 162,932.40

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Solution

The fourth proportional to 536,909.40, 805,368.94 and 162,932.40 is: 244,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,909.40 : 805,368.94 = 162,932.40 : x
  2. Step 2: Convert to fraction form
    536,909.40/805,368.94 = 162,932.40/x
  3. Step 3: Cross multiply
    536,909.40x = 805,368.94 × 162,932.40
  4. Step 4: Simplify right side
    536,909.40x = 131,220,694,279.66
  5. Step 5: Solve for x
    x = 131,220,694,279.66/536,909.40
  6. Step 6: Final answer
    x = 244,400.07

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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.