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Finding the Fourth Proportional to 663,303.76, 994,955.60 and 164,667.76

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Solution

The fourth proportional to 663,303.76, 994,955.60 and 164,667.76 is: 247,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,303.76 : 994,955.60 = 164,667.76 : x
  2. Step 2: Convert to fraction form
    663,303.76/994,955.60 = 164,667.76/x
  3. Step 3: Cross multiply
    663,303.76x = 994,955.60 × 164,667.76
  4. Step 4: Simplify right side
    663,303.76x = 163,837,109,951.46
  5. Step 5: Solve for x
    x = 163,837,109,951.46/663,303.76
  6. Step 6: Final answer
    x = 247,001.63

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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.