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Finding the Fourth Proportional to 482,479.81, 665,831.00 and 264,699.63

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Solution

The fourth proportional to 482,479.81, 665,831.00 and 264,699.63 is: 365,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,479.81 : 665,831.00 = 264,699.63 : x
  2. Step 2: Convert to fraction form
    482,479.81/665,831.00 = 264,699.63/x
  3. Step 3: Cross multiply
    482,479.81x = 665,831.00 × 264,699.63
  4. Step 4: Simplify right side
    482,479.81x = 176,245,220,004.28
  5. Step 5: Solve for x
    x = 176,245,220,004.28/482,479.81
  6. Step 6: Final answer
    x = 365,290.35

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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.