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Finding the Fourth Proportional to 585,960.71, 808,686.05 and 356,534.69

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Solution

The fourth proportional to 585,960.71, 808,686.05 and 356,534.69 is: 492,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,960.71 : 808,686.05 = 356,534.69 : x
  2. Step 2: Convert to fraction form
    585,960.71/808,686.05 = 356,534.69/x
  3. Step 3: Cross multiply
    585,960.71x = 808,686.05 × 356,534.69
  4. Step 4: Simplify right side
    585,960.71x = 288,324,624,317.97
  5. Step 5: Solve for x
    x = 288,324,624,317.97/585,960.71
  6. Step 6: Final answer
    x = 492,054.54

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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.