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Finding the Fourth Proportional to 492,116.82, 679,121.22 and 265,762.32

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Solution

The fourth proportional to 492,116.82, 679,121.22 and 265,762.32 is: 366,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,116.82 : 679,121.22 = 265,762.32 : x
  2. Step 2: Convert to fraction form
    492,116.82/679,121.22 = 265,762.32/x
  3. Step 3: Cross multiply
    492,116.82x = 679,121.22 × 265,762.32
  4. Step 4: Simplify right side
    492,116.82x = 180,484,830,988.43
  5. Step 5: Solve for x
    x = 180,484,830,988.43/492,116.82
  6. Step 6: Final answer
    x = 366,752.01

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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.