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Finding the Fourth Proportional to 437,356.29, 603,345.41 and 255,955.88

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Solution

The fourth proportional to 437,356.29, 603,345.41 and 255,955.88 is: 353,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,356.29 : 603,345.41 = 255,955.88 : x
  2. Step 2: Convert to fraction form
    437,356.29/603,345.41 = 255,955.88/x
  3. Step 3: Cross multiply
    437,356.29x = 603,345.41 × 255,955.88
  4. Step 4: Simplify right side
    437,356.29x = 154,429,806,548.93
  5. Step 5: Solve for x
    x = 154,429,806,548.93/437,356.29
  6. Step 6: Final answer
    x = 353,098.40

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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.