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Finding the Fourth Proportional to 537,309.86, 805,935.62 and 163,303.70

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Solution

The fourth proportional to 537,309.86, 805,935.62 and 163,303.70 is: 244,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,309.86 : 805,935.62 = 163,303.70 : x
  2. Step 2: Convert to fraction form
    537,309.86/805,935.62 = 163,303.70/x
  3. Step 3: Cross multiply
    537,309.86x = 805,935.62 × 163,303.70
  4. Step 4: Simplify right side
    537,309.86x = 131,612,263,861.60
  5. Step 5: Solve for x
    x = 131,612,263,861.60/537,309.86
  6. Step 6: Final answer
    x = 244,946.68

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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.