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Finding the Fourth Proportional to 573,210.36, 859,817.61 and 173,854.59

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Solution

The fourth proportional to 573,210.36, 859,817.61 and 173,854.59 is: 260,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,210.36 : 859,817.61 = 173,854.59 : x
  2. Step 2: Convert to fraction form
    573,210.36/859,817.61 = 173,854.59/x
  3. Step 3: Cross multiply
    573,210.36x = 859,817.61 × 173,854.59
  4. Step 4: Simplify right side
    573,210.36x = 149,483,238,061.33
  5. Step 5: Solve for x
    x = 149,483,238,061.33/573,210.36
  6. Step 6: Final answer
    x = 260,782.51

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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.