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Finding the Fourth Proportional to 437,368.80, 603,926.64 and 276,483.36

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Solution

The fourth proportional to 437,368.80, 603,926.64 and 276,483.36 is: 381,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,368.80 : 603,926.64 = 276,483.36 : x
  2. Step 2: Convert to fraction form
    437,368.80/603,926.64 = 276,483.36/x
  3. Step 3: Cross multiply
    437,368.80x = 603,926.64 × 276,483.36
  4. Step 4: Simplify right side
    437,368.80x = 166,975,666,620.71
  5. Step 5: Solve for x
    x = 166,975,666,620.71/437,368.80
  6. Step 6: Final answer
    x = 381,773.15

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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.