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Finding the Fourth Proportional to 577,898.80, 866,848.20 and 507,914.80

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Solution

The fourth proportional to 577,898.80, 866,848.20 and 507,914.80 is: 761,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,898.80 : 866,848.20 = 507,914.80 : x
  2. Step 2: Convert to fraction form
    577,898.80/866,848.20 = 507,914.80/x
  3. Step 3: Cross multiply
    577,898.80x = 866,848.20 × 507,914.80
  4. Step 4: Simplify right side
    577,898.80x = 440,285,030,133.36
  5. Step 5: Solve for x
    x = 440,285,030,133.36/577,898.80
  6. Step 6: Final answer
    x = 761,872.20

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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.