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Finding the Fourth Proportional to 548,551.60, 822,827.40 and 527,556.40

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Solution

The fourth proportional to 548,551.60, 822,827.40 and 527,556.40 is: 791,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,551.60 : 822,827.40 = 527,556.40 : x
  2. Step 2: Convert to fraction form
    548,551.60/822,827.40 = 527,556.40/x
  3. Step 3: Cross multiply
    548,551.60x = 822,827.40 × 527,556.40
  4. Step 4: Simplify right side
    548,551.60x = 434,087,860,965.36
  5. Step 5: Solve for x
    x = 434,087,860,965.36/548,551.60
  6. Step 6: Final answer
    x = 791,334.60

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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.