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Finding the Fourth Proportional to 366,970.40, 550,455.60 and 117,677.60

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Solution

The fourth proportional to 366,970.40, 550,455.60 and 117,677.60 is: 176,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970.40 : 550,455.60 = 117,677.60 : x
  2. Step 2: Convert to fraction form
    366,970.40/550,455.60 = 117,677.60/x
  3. Step 3: Cross multiply
    366,970.40x = 550,455.60 × 117,677.60
  4. Step 4: Simplify right side
    366,970.40x = 64,776,293,914.56
  5. Step 5: Solve for x
    x = 64,776,293,914.56/366,970.40
  6. Step 6: Final answer
    x = 176,516.40

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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.