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Finding the Fourth Proportional to 609,716.36, 912,936.14 and 496,934.28

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Solution

The fourth proportional to 609,716.36, 912,936.14 and 496,934.28 is: 744,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,716.36 : 912,936.14 = 496,934.28 : x
  2. Step 2: Convert to fraction form
    609,716.36/912,936.14 = 496,934.28/x
  3. Step 3: Cross multiply
    609,716.36x = 912,936.14 × 496,934.28
  4. Step 4: Simplify right side
    609,716.36x = 453,669,263,416.88
  5. Step 5: Solve for x
    x = 453,669,263,416.88/609,716.36
  6. Step 6: Final answer
    x = 744,066.08

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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.