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Finding the Fourth Proportional to 450,858.50, 676,332.90 and 166,623.76

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Solution

The fourth proportional to 450,858.50, 676,332.90 and 166,623.76 is: 249,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,858.50 : 676,332.90 = 166,623.76 : x
  2. Step 2: Convert to fraction form
    450,858.50/676,332.90 = 166,623.76/x
  3. Step 3: Cross multiply
    450,858.50x = 676,332.90 × 166,623.76
  4. Step 4: Simplify right side
    450,858.50x = 112,693,130,809.70
  5. Step 5: Solve for x
    x = 112,693,130,809.70/450,858.50
  6. Step 6: Final answer
    x = 249,952.33

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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.