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Finding the Fourth Proportional to 585,916.86, 808,571.60 and 344,209.62

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Solution

The fourth proportional to 585,916.86, 808,571.60 and 344,209.62 is: 475,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,916.86 : 808,571.60 = 344,209.62 : x
  2. Step 2: Convert to fraction form
    585,916.86/808,571.60 = 344,209.62/x
  3. Step 3: Cross multiply
    585,916.86x = 808,571.60 × 344,209.62
  4. Step 4: Simplify right side
    585,916.86x = 278,318,123,178.79
  5. Step 5: Solve for x
    x = 278,318,123,178.79/585,916.86
  6. Step 6: Final answer
    x = 475,013.00

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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.