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Finding the Fourth Proportional to 492,317.76, 738,476.40 and 118,340.64

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Solution

The fourth proportional to 492,317.76, 738,476.40 and 118,340.64 is: 177,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,317.76 : 738,476.40 = 118,340.64 : x
  2. Step 2: Convert to fraction form
    492,317.76/738,476.40 = 118,340.64/x
  3. Step 3: Cross multiply
    492,317.76x = 738,476.40 × 118,340.64
  4. Step 4: Simplify right side
    492,317.76x = 87,391,769,800.90
  5. Step 5: Solve for x
    x = 87,391,769,800.90/492,317.76
  6. Step 6: Final answer
    x = 177,510.90

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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.