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Finding the Fourth Proportional to 360,977.94, 540,875.07 and 255,607.74

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Solution

The fourth proportional to 360,977.94, 540,875.07 and 255,607.74 is: 382,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,977.94 : 540,875.07 = 255,607.74 : x
  2. Step 2: Convert to fraction form
    360,977.94/540,875.07 = 255,607.74/x
  3. Step 3: Cross multiply
    360,977.94x = 540,875.07 × 255,607.74
  4. Step 4: Simplify right side
    360,977.94x = 138,251,854,265.04
  5. Step 5: Solve for x
    x = 138,251,854,265.04/360,977.94
  6. Step 6: Final answer
    x = 382,992.53

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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.