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Finding the Fourth Proportional to 345,009.04, 476,053.02 and 317,104.84

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Solution

The fourth proportional to 345,009.04, 476,053.02 and 317,104.84 is: 437,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,009.04 : 476,053.02 = 317,104.84 : x
  2. Step 2: Convert to fraction form
    345,009.04/476,053.02 = 317,104.84/x
  3. Step 3: Cross multiply
    345,009.04x = 476,053.02 × 317,104.84
  4. Step 4: Simplify right side
    345,009.04x = 150,958,716,738.62
  5. Step 5: Solve for x
    x = 150,958,716,738.62/345,009.04
  6. Step 6: Final answer
    x = 437,550.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.