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Finding the Fourth Proportional to 576,091.80, 864,137.70 and 534,101.40

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Solution

The fourth proportional to 576,091.80, 864,137.70 and 534,101.40 is: 801,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,091.80 : 864,137.70 = 534,101.40 : x
  2. Step 2: Convert to fraction form
    576,091.80/864,137.70 = 534,101.40/x
  3. Step 3: Cross multiply
    576,091.80x = 864,137.70 × 534,101.40
  4. Step 4: Simplify right side
    576,091.80x = 461,537,155,362.78
  5. Step 5: Solve for x
    x = 461,537,155,362.78/576,091.80
  6. Step 6: Final answer
    x = 801,152.10

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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.