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Finding the Fourth Proportional to 565,573.52, 780,491.46 and 310,924.73

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Solution

The fourth proportional to 565,573.52, 780,491.46 and 310,924.73 is: 429,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,573.52 : 780,491.46 = 310,924.73 : x
  2. Step 2: Convert to fraction form
    565,573.52/780,491.46 = 310,924.73/x
  3. Step 3: Cross multiply
    565,573.52x = 780,491.46 × 310,924.73
  4. Step 4: Simplify right side
    565,573.52x = 242,674,096,467.81
  5. Step 5: Solve for x
    x = 242,674,096,467.81/565,573.52
  6. Step 6: Final answer
    x = 429,076.13

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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.