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Finding the Fourth Proportional to 585,913.85, 808,567.45 and 344,206.61

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Solution

The fourth proportional to 585,913.85, 808,567.45 and 344,206.61 is: 475,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,913.85 : 808,567.45 = 344,206.61 : x
  2. Step 2: Convert to fraction form
    585,913.85/808,567.45 = 344,206.61/x
  3. Step 3: Cross multiply
    585,913.85x = 808,567.45 × 344,206.61
  4. Step 4: Simplify right side
    585,913.85x = 278,314,260,920.84
  5. Step 5: Solve for x
    x = 278,314,260,920.84/585,913.85
  6. Step 6: Final answer
    x = 475,008.84

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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.