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Finding the Fourth Proportional to 543,911.60, 814,254.60 and 404,289.20

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Solution

The fourth proportional to 543,911.60, 814,254.60 and 404,289.20 is: 605,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,911.60 : 814,254.60 = 404,289.20 : x
  2. Step 2: Convert to fraction form
    543,911.60/814,254.60 = 404,289.20/x
  3. Step 3: Cross multiply
    543,911.60x = 814,254.60 × 404,289.20
  4. Step 4: Simplify right side
    543,911.60x = 329,194,340,830.32
  5. Step 5: Solve for x
    x = 329,194,340,830.32/543,911.60
  6. Step 6: Final answer
    x = 605,235.01

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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.