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Finding the Fourth Proportional to 547,600.50, 821,400.75 and 173,623.50

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Solution

The fourth proportional to 547,600.50, 821,400.75 and 173,623.50 is: 260,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,600.50 : 821,400.75 = 173,623.50 : x
  2. Step 2: Convert to fraction form
    547,600.50/821,400.75 = 173,623.50/x
  3. Step 3: Cross multiply
    547,600.50x = 821,400.75 × 173,623.50
  4. Step 4: Simplify right side
    547,600.50x = 142,614,473,117.63
  5. Step 5: Solve for x
    x = 142,614,473,117.63/547,600.50
  6. Step 6: Final answer
    x = 260,435.25

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Similar ratio
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1.5x scale

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.