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Finding the Fourth Proportional to 570,774.24, 787,674.24 and 344,376

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Solution

The fourth proportional to 570,774.24, 787,674.24 and 344,376 is: 475,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,774.24 : 787,674.24 = 344,376 : x
  2. Step 2: Convert to fraction form
    570,774.24/787,674.24 = 344,376/x
  3. Step 3: Cross multiply
    570,774.24x = 787,674.24 × 344,376
  4. Step 4: Simplify right side
    570,774.24x = 271,256,104,074.24
  5. Step 5: Solve for x
    x = 271,256,104,074.24/570,774.24
  6. Step 6: Final answer
    x = 475,242.37

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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.