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Finding the Fourth Proportional to 573,210.86, 859,818.36 and 173,855.09

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Solution

The fourth proportional to 573,210.86, 859,818.36 and 173,855.09 is: 260,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,210.86 : 859,818.36 = 173,855.09 : x
  2. Step 2: Convert to fraction form
    573,210.86/859,818.36 = 173,855.09/x
  3. Step 3: Cross multiply
    573,210.86x = 859,818.36 × 173,855.09
  4. Step 4: Simplify right side
    573,210.86x = 149,483,798,361.45
  5. Step 5: Solve for x
    x = 149,483,798,361.45/573,210.86
  6. Step 6: Final answer
    x = 260,783.26

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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.