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Finding the Fourth Proportional to 604,311.90, 905,483.70 and 444,879.60

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Solution

The fourth proportional to 604,311.90, 905,483.70 and 444,879.60 is: 666,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,311.90 : 905,483.70 = 444,879.60 : x
  2. Step 2: Convert to fraction form
    604,311.90/905,483.70 = 444,879.60/x
  3. Step 3: Cross multiply
    604,311.90x = 905,483.70 × 444,879.60
  4. Step 4: Simplify right side
    604,311.90x = 402,831,226,262.52
  5. Step 5: Solve for x
    x = 402,831,226,262.52/604,311.90
  6. Step 6: Final answer
    x = 666,594.89

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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.