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Finding the Fourth Proportional to 404,954.10, 607,337.76 and 120,618.84

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Solution

The fourth proportional to 404,954.10, 607,337.76 and 120,618.84 is: 180,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,954.10 : 607,337.76 = 120,618.84 : x
  2. Step 2: Convert to fraction form
    404,954.10/607,337.76 = 120,618.84/x
  3. Step 3: Cross multiply
    404,954.10x = 607,337.76 × 120,618.84
  4. Step 4: Simplify right side
    404,954.10x = 73,256,376,099.40
  5. Step 5: Solve for x
    x = 73,256,376,099.40/404,954.10
  6. Step 6: Final answer
    x = 180,900.44

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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.