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Finding the Fourth Proportional to 547,596.40, 821,317.80 and 173,657.20

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Solution

The fourth proportional to 547,596.40, 821,317.80 and 173,657.20 is: 260,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,596.40 : 821,317.80 = 173,657.20 : x
  2. Step 2: Convert to fraction form
    547,596.40/821,317.80 = 173,657.20/x
  3. Step 3: Cross multiply
    547,596.40x = 821,317.80 × 173,657.20
  4. Step 4: Simplify right side
    547,596.40x = 142,627,749,458.16
  5. Step 5: Solve for x
    x = 142,627,749,458.16/547,596.40
  6. Step 6: Final answer
    x = 260,461.44

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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.