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Finding the Fourth Proportional to 492,669.12, 738,675.53 and 177,085.02

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Solution

The fourth proportional to 492,669.12, 738,675.53 and 177,085.02 is: 265,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,669.12 : 738,675.53 = 177,085.02 : x
  2. Step 2: Convert to fraction form
    492,669.12/738,675.53 = 177,085.02/x
  3. Step 3: Cross multiply
    492,669.12x = 738,675.53 × 177,085.02
  4. Step 4: Simplify right side
    492,669.12x = 130,808,371,003.56
  5. Step 5: Solve for x
    x = 130,808,371,003.56/492,669.12
  6. Step 6: Final answer
    x = 265,509.58

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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.