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Finding the Fourth Proportional to 548,600.90, 822,901.35 and 193,612.10

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Solution

The fourth proportional to 548,600.90, 822,901.35 and 193,612.10 is: 290,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,600.90 : 822,901.35 = 193,612.10 : x
  2. Step 2: Convert to fraction form
    548,600.90/822,901.35 = 193,612.10/x
  3. Step 3: Cross multiply
    548,600.90x = 822,901.35 × 193,612.10
  4. Step 4: Simplify right side
    548,600.90x = 159,323,658,466.34
  5. Step 5: Solve for x
    x = 159,323,658,466.34/548,600.90
  6. Step 6: Final answer
    x = 290,418.15

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Double scale
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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.