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Finding the Fourth Proportional to 424,119.52, 585,089.86 and 375,770.75

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Solution

The fourth proportional to 424,119.52, 585,089.86 and 375,770.75 is: 518,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,119.52 : 585,089.86 = 375,770.75 : x
  2. Step 2: Convert to fraction form
    424,119.52/585,089.86 = 375,770.75/x
  3. Step 3: Cross multiply
    424,119.52x = 585,089.86 × 375,770.75
  4. Step 4: Simplify right side
    424,119.52x = 219,859,655,509.60
  5. Step 5: Solve for x
    x = 219,859,655,509.60/424,119.52
  6. Step 6: Final answer
    x = 518,390.80

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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.