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Finding the Fourth Proportional to 537,054.69, 805,581.99 and 255,719.01

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Solution

The fourth proportional to 537,054.69, 805,581.99 and 255,719.01 is: 383,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,054.69 : 805,581.99 = 255,719.01 : x
  2. Step 2: Convert to fraction form
    537,054.69/805,581.99 = 255,719.01/x
  3. Step 3: Cross multiply
    537,054.69x = 805,581.99 × 255,719.01
  4. Step 4: Simplify right side
    537,054.69x = 206,002,628,956.63
  5. Step 5: Solve for x
    x = 206,002,628,956.63/537,054.69
  6. Step 6: Final answer
    x = 383,578.49

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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.