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Finding the Fourth Proportional to 575,762.46, 863,392.86 and 305,831.53

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Solution

The fourth proportional to 575,762.46, 863,392.86 and 305,831.53 is: 458,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,762.46 : 863,392.86 = 305,831.53 : x
  2. Step 2: Convert to fraction form
    575,762.46/863,392.86 = 305,831.53/x
  3. Step 3: Cross multiply
    575,762.46x = 863,392.86 × 305,831.53
  4. Step 4: Simplify right side
    575,762.46x = 264,052,757,970.97
  5. Step 5: Solve for x
    x = 264,052,757,970.97/575,762.46
  6. Step 6: Final answer
    x = 458,614.06

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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.