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Finding the Fourth Proportional to 577,064.40, 864,905.40 and 296,437.20

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Solution

The fourth proportional to 577,064.40, 864,905.40 and 296,437.20 is: 444,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,064.40 : 864,905.40 = 296,437.20 : x
  2. Step 2: Convert to fraction form
    577,064.40/864,905.40 = 296,437.20/x
  3. Step 3: Cross multiply
    577,064.40x = 864,905.40 × 296,437.20
  4. Step 4: Simplify right side
    577,064.40x = 256,390,135,040.88
  5. Step 5: Solve for x
    x = 256,390,135,040.88/577,064.40
  6. Step 6: Final answer
    x = 444,300.73

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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.