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Finding the Fourth Proportional to 604,320.60, 905,703.30 and 367,411.80

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Solution

The fourth proportional to 604,320.60, 905,703.30 and 367,411.80 is: 550,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,320.60 : 905,703.30 = 367,411.80 : x
  2. Step 2: Convert to fraction form
    604,320.60/905,703.30 = 367,411.80/x
  3. Step 3: Cross multiply
    604,320.60x = 905,703.30 × 367,411.80
  4. Step 4: Simplify right side
    604,320.60x = 332,766,079,718.94
  5. Step 5: Solve for x
    x = 332,766,079,718.94/604,320.60
  6. Step 6: Final answer
    x = 550,644.94

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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.