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Finding the Fourth Proportional to 573,328.71, 859,993.23 and 168,521.00

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Solution

The fourth proportional to 573,328.71, 859,993.23 and 168,521.00 is: 252,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,328.71 : 859,993.23 = 168,521.00 : x
  2. Step 2: Convert to fraction form
    573,328.71/859,993.23 = 168,521.00/x
  3. Step 3: Cross multiply
    573,328.71x = 859,993.23 × 168,521.00
  4. Step 4: Simplify right side
    573,328.71x = 144,926,914,812.86
  5. Step 5: Solve for x
    x = 144,926,914,812.86/573,328.71
  6. Step 6: Final answer
    x = 252,781.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.