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Finding the Fourth Proportional to 424,184.91, 585,180.11 and 375,835.80

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Solution

The fourth proportional to 424,184.91, 585,180.11 and 375,835.80 is: 518,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,184.91 : 585,180.11 = 375,835.80 : x
  2. Step 2: Convert to fraction form
    424,184.91/585,180.11 = 375,835.80/x
  3. Step 3: Cross multiply
    424,184.91x = 585,180.11 × 375,835.80
  4. Step 4: Simplify right side
    424,184.91x = 219,931,634,785.94
  5. Step 5: Solve for x
    x = 219,931,634,785.94/424,184.91
  6. Step 6: Final answer
    x = 518,480.57

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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.