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Finding the Fourth Proportional to 492,284.34, 738,426.33 and 118,307.34

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Solution

The fourth proportional to 492,284.34, 738,426.33 and 118,307.34 is: 177,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,284.34 : 738,426.33 = 118,307.34 : x
  2. Step 2: Convert to fraction form
    492,284.34/738,426.33 = 118,307.34/x
  3. Step 3: Cross multiply
    492,284.34x = 738,426.33 × 118,307.34
  4. Step 4: Simplify right side
    492,284.34x = 87,361,254,888.26
  5. Step 5: Solve for x
    x = 87,361,254,888.26/492,284.34
  6. Step 6: Final answer
    x = 177,460.97

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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.