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Finding the Fourth Proportional to 404,955.85, 607,433.78 and 180,315.85

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Solution

The fourth proportional to 404,955.85, 607,433.78 and 180,315.85 is: 270,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,955.85 : 607,433.78 = 180,315.85 : x
  2. Step 2: Convert to fraction form
    404,955.85/607,433.78 = 180,315.85/x
  3. Step 3: Cross multiply
    404,955.85x = 607,433.78 × 180,315.85
  4. Step 4: Simplify right side
    404,955.85x = 109,529,937,457.83
  5. Step 5: Solve for x
    x = 109,529,937,457.83/404,955.85
  6. Step 6: Final answer
    x = 270,473.78

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1.5x scale

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.