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Finding the Fourth Proportional to 576,054.80, 864,514.20 and 295,427.60

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Solution

The fourth proportional to 576,054.80, 864,514.20 and 295,427.60 is: 443,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,054.80 : 864,514.20 = 295,427.60 : x
  2. Step 2: Convert to fraction form
    576,054.80/864,514.20 = 295,427.60/x
  3. Step 3: Cross multiply
    576,054.80x = 864,514.20 × 295,427.60
  4. Step 4: Simplify right side
    576,054.80x = 255,401,355,271.92
  5. Step 5: Solve for x
    x = 255,401,355,271.92/576,054.80
  6. Step 6: Final answer
    x = 443,362.95

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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.