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Finding the Fourth Proportional to 585,901.75, 808,630.70 and 371,061.79

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Solution

The fourth proportional to 585,901.75, 808,630.70 and 371,061.79 is: 512,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,901.75 : 808,630.70 = 371,061.79 : x
  2. Step 2: Convert to fraction form
    585,901.75/808,630.70 = 371,061.79/x
  3. Step 3: Cross multiply
    585,901.75x = 808,630.70 × 371,061.79
  4. Step 4: Simplify right side
    585,901.75x = 300,051,954,990.95
  5. Step 5: Solve for x
    x = 300,051,954,990.95/585,901.75
  6. Step 6: Final answer
    x = 512,119.92

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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.