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Finding the Fourth Proportional to 563,296.60, 845,000.10 and 163,941.40

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Solution

The fourth proportional to 563,296.60, 845,000.10 and 163,941.40 is: 245,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,296.60 : 845,000.10 = 163,941.40 : x
  2. Step 2: Convert to fraction form
    563,296.60/845,000.10 = 163,941.40/x
  3. Step 3: Cross multiply
    563,296.60x = 845,000.10 × 163,941.40
  4. Step 4: Simplify right side
    563,296.60x = 138,530,499,394.14
  5. Step 5: Solve for x
    x = 138,530,499,394.14/563,296.60
  6. Step 6: Final answer
    x = 245,928.17

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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.