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Finding the Fourth Proportional to 560,813.52, 773,831.28 and 331,339.12

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Solution

The fourth proportional to 560,813.52, 773,831.28 and 331,339.12 is: 457,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,813.52 : 773,831.28 = 331,339.12 : x
  2. Step 2: Convert to fraction form
    560,813.52/773,831.28 = 331,339.12/x
  3. Step 3: Cross multiply
    560,813.52x = 773,831.28 × 331,339.12
  4. Step 4: Simplify right side
    560,813.52x = 256,400,575,343.67
  5. Step 5: Solve for x
    x = 256,400,575,343.67/560,813.52
  6. Step 6: Final answer
    x = 457,194.00

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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.