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Finding the Fourth Proportional to 528,793.26, 793,021.41 and 173,724.90

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Solution

The fourth proportional to 528,793.26, 793,021.41 and 173,724.90 is: 260,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,793.26 : 793,021.41 = 173,724.90 : x
  2. Step 2: Convert to fraction form
    528,793.26/793,021.41 = 173,724.90/x
  3. Step 3: Cross multiply
    528,793.26x = 793,021.41 × 173,724.90
  4. Step 4: Simplify right side
    528,793.26x = 137,767,565,150.11
  5. Step 5: Solve for x
    x = 137,767,565,150.11/528,793.26
  6. Step 6: Final answer
    x = 260,532.00

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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.