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Finding the Fourth Proportional to 576,023.40, 864,035.10 and 551,140.20

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Solution

The fourth proportional to 576,023.40, 864,035.10 and 551,140.20 is: 826,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,023.40 : 864,035.10 = 551,140.20 : x
  2. Step 2: Convert to fraction form
    576,023.40/864,035.10 = 551,140.20/x
  3. Step 3: Cross multiply
    576,023.40x = 864,035.10 × 551,140.20
  4. Step 4: Simplify right side
    576,023.40x = 476,204,477,821.02
  5. Step 5: Solve for x
    x = 476,204,477,821.02/576,023.40
  6. Step 6: Final answer
    x = 826,710.30

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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.