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Finding the Fourth Proportional to 576,254.60, 863,604.30 and 409,848.20

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Solution

The fourth proportional to 576,254.60, 863,604.30 and 409,848.20 is: 614,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,254.60 : 863,604.30 = 409,848.20 : x
  2. Step 2: Convert to fraction form
    576,254.60/863,604.30 = 409,848.20/x
  3. Step 3: Cross multiply
    576,254.60x = 863,604.30 × 409,848.20
  4. Step 4: Simplify right side
    576,254.60x = 353,946,667,867.26
  5. Step 5: Solve for x
    x = 353,946,667,867.26/576,254.60
  6. Step 6: Final answer
    x = 614,219.25

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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.