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Finding the Fourth Proportional to 682,440.66, 942,070.08 and 440,841.01

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Solution

The fourth proportional to 682,440.66, 942,070.08 and 440,841.01 is: 608,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,440.66 : 942,070.08 = 440,841.01 : x
  2. Step 2: Convert to fraction form
    682,440.66/942,070.08 = 440,841.01/x
  3. Step 3: Cross multiply
    682,440.66x = 942,070.08 × 440,841.01
  4. Step 4: Simplify right side
    682,440.66x = 415,303,125,557.98
  5. Step 5: Solve for x
    x = 415,303,125,557.98/682,440.66
  6. Step 6: Final answer
    x = 608,555.66

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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.