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Finding the Fourth Proportional to 609,715.36, 912,934.64 and 496,933.28

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Solution

The fourth proportional to 609,715.36, 912,934.64 and 496,933.28 is: 744,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,715.36 : 912,934.64 = 496,933.28 : x
  2. Step 2: Convert to fraction form
    609,715.36/912,934.64 = 496,933.28/x
  3. Step 3: Cross multiply
    609,715.36x = 912,934.64 × 496,933.28
  4. Step 4: Simplify right side
    609,715.36x = 453,667,605,080.82
  5. Step 5: Solve for x
    x = 453,667,605,080.82/609,715.36
  6. Step 6: Final answer
    x = 744,064.58

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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.