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Finding the Fourth Proportional to 577,896.30, 866,844.45 and 507,912.30

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Solution

The fourth proportional to 577,896.30, 866,844.45 and 507,912.30 is: 761,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,896.30 : 866,844.45 = 507,912.30 : x
  2. Step 2: Convert to fraction form
    577,896.30/866,844.45 = 507,912.30/x
  3. Step 3: Cross multiply
    577,896.30x = 866,844.45 × 507,912.30
  4. Step 4: Simplify right side
    577,896.30x = 440,280,958,341.74
  5. Step 5: Solve for x
    x = 440,280,958,341.74/577,896.30
  6. Step 6: Final answer
    x = 761,868.45

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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.