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Finding the Fourth Proportional to 404,911.40, 607,914.30 and 236,604.20

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Solution

The fourth proportional to 404,911.40, 607,914.30 and 236,604.20 is: 355,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,911.40 : 607,914.30 = 236,604.20 : x
  2. Step 2: Convert to fraction form
    404,911.40/607,914.30 = 236,604.20/x
  3. Step 3: Cross multiply
    404,911.40x = 607,914.30 × 236,604.20
  4. Step 4: Simplify right side
    404,911.40x = 143,835,076,620.06
  5. Step 5: Solve for x
    x = 143,835,076,620.06/404,911.40
  6. Step 6: Final answer
    x = 355,226.05

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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.