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Finding the Fourth Proportional to 577,302.20, 866,828.10 and 444,332.60

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Solution

The fourth proportional to 577,302.20, 866,828.10 and 444,332.60 is: 667,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,302.20 : 866,828.10 = 444,332.60 : x
  2. Step 2: Convert to fraction form
    577,302.20/866,828.10 = 444,332.60/x
  3. Step 3: Cross multiply
    577,302.20x = 866,828.10 × 444,332.60
  4. Step 4: Simplify right side
    577,302.20x = 385,159,983,426.06
  5. Step 5: Solve for x
    x = 385,159,983,426.06/577,302.20
  6. Step 6: Final answer
    x = 667,172.21

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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.