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Finding the Fourth Proportional to 603,818.10, 833,999.73 and 440,215.50

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Solution

The fourth proportional to 603,818.10, 833,999.73 and 440,215.50 is: 608,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,818.10 : 833,999.73 = 440,215.50 : x
  2. Step 2: Convert to fraction form
    603,818.10/833,999.73 = 440,215.50/x
  3. Step 3: Cross multiply
    603,818.10x = 833,999.73 × 440,215.50
  4. Step 4: Simplify right side
    603,818.10x = 367,139,608,141.82
  5. Step 5: Solve for x
    x = 367,139,608,141.82/603,818.10
  6. Step 6: Final answer
    x = 608,030.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.