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Finding the Fourth Proportional to 528,267.88, 792,323.58 and 173,319.40

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Solution

The fourth proportional to 528,267.88, 792,323.58 and 173,319.40 is: 259,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,267.88 : 792,323.58 = 173,319.40 : x
  2. Step 2: Convert to fraction form
    528,267.88/792,323.58 = 173,319.40/x
  3. Step 3: Cross multiply
    528,267.88x = 792,323.58 × 173,319.40
  4. Step 4: Simplify right side
    528,267.88x = 137,325,047,491.45
  5. Step 5: Solve for x
    x = 137,325,047,491.45/528,267.88
  6. Step 6: Final answer
    x = 259,953.43

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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.