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Finding the Fourth Proportional to 450,771.58, 675,084.00 and 260,831.66

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Solution

The fourth proportional to 450,771.58, 675,084.00 and 260,831.66 is: 390,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,771.58 : 675,084.00 = 260,831.66 : x
  2. Step 2: Convert to fraction form
    450,771.58/675,084.00 = 260,831.66/x
  3. Step 3: Cross multiply
    450,771.58x = 675,084.00 × 260,831.66
  4. Step 4: Simplify right side
    450,771.58x = 176,083,275,679.86
  5. Step 5: Solve for x
    x = 176,083,275,679.86/450,771.58
  6. Step 6: Final answer
    x = 390,626.39

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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.