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Finding the Fourth Proportional to 370,562.40, 554,461.20 and 337,384.80

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Solution

The fourth proportional to 370,562.40, 554,461.20 and 337,384.80 is: 504,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,562.40 : 554,461.20 = 337,384.80 : x
  2. Step 2: Convert to fraction form
    370,562.40/554,461.20 = 337,384.80/x
  3. Step 3: Cross multiply
    370,562.40x = 554,461.20 × 337,384.80
  4. Step 4: Simplify right side
    370,562.40x = 187,066,781,069.76
  5. Step 5: Solve for x
    x = 187,066,781,069.76/370,562.40
  6. Step 6: Final answer
    x = 504,818.57

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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.