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Finding the Fourth Proportional to 577,898.40, 866,831.40 and 262,354.80

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Solution

The fourth proportional to 577,898.40, 866,831.40 and 262,354.80 is: 393,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,898.40 : 866,831.40 = 262,354.80 : x
  2. Step 2: Convert to fraction form
    577,898.40/866,831.40 = 262,354.80/x
  3. Step 3: Cross multiply
    577,898.40x = 866,831.40 × 262,354.80
  4. Step 4: Simplify right side
    577,898.40x = 227,417,378,580.72
  5. Step 5: Solve for x
    x = 227,417,378,580.72/577,898.40
  6. Step 6: Final answer
    x = 393,524.85

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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.