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Finding the Fourth Proportional to 609,717.36, 912,937.64 and 496,935.28

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Solution

The fourth proportional to 609,717.36, 912,937.64 and 496,935.28 is: 744,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,717.36 : 912,937.64 = 496,935.28 : x
  2. Step 2: Convert to fraction form
    609,717.36/912,937.64 = 496,935.28/x
  3. Step 3: Cross multiply
    609,717.36x = 912,937.64 × 496,935.28
  4. Step 4: Simplify right side
    609,717.36x = 453,670,921,755.94
  5. Step 5: Solve for x
    x = 453,670,921,755.94/609,717.36
  6. Step 6: Final answer
    x = 744,067.58

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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.