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Finding the Fourth Proportional to 492,117.03, 679,121.51 and 265,762.53

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Solution

The fourth proportional to 492,117.03, 679,121.51 and 265,762.53 is: 366,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,117.03 : 679,121.51 = 265,762.53 : x
  2. Step 2: Convert to fraction form
    492,117.03/679,121.51 = 265,762.53/x
  3. Step 3: Cross multiply
    492,117.03x = 679,121.51 × 265,762.53
  4. Step 4: Simplify right side
    492,117.03x = 180,485,048,183.64
  5. Step 5: Solve for x
    x = 180,485,048,183.64/492,117.03
  6. Step 6: Final answer
    x = 366,752.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.