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Finding the Fourth Proportional to 528,858.01, 793,385.43 and 173,886.04

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Solution

The fourth proportional to 528,858.01, 793,385.43 and 173,886.04 is: 260,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,858.01 : 793,385.43 = 173,886.04 : x
  2. Step 2: Convert to fraction form
    528,858.01/793,385.43 = 173,886.04/x
  3. Step 3: Cross multiply
    528,858.01x = 793,385.43 × 173,886.04
  4. Step 4: Simplify right side
    528,858.01x = 137,958,650,616.40
  5. Step 5: Solve for x
    x = 137,958,650,616.40/528,858.01
  6. Step 6: Final answer
    x = 260,861.42

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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.