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Finding the Fourth Proportional to 418,069.80, 626,923.26 and 151,741.80

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Solution

The fourth proportional to 418,069.80, 626,923.26 and 151,741.80 is: 227,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,069.80 : 626,923.26 = 151,741.80 : x
  2. Step 2: Convert to fraction form
    418,069.80/626,923.26 = 151,741.80/x
  3. Step 3: Cross multiply
    418,069.80x = 626,923.26 × 151,741.80
  4. Step 4: Simplify right side
    418,069.80x = 95,130,463,934.27
  5. Step 5: Solve for x
    x = 95,130,463,934.27/418,069.80
  6. Step 6: Final answer
    x = 227,546.84

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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.