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Finding the Fourth Proportional to 577,410.28, 796,430.82 and 376,478.44

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Solution

The fourth proportional to 577,410.28, 796,430.82 and 376,478.44 is: 519,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,410.28 : 796,430.82 = 376,478.44 : x
  2. Step 2: Convert to fraction form
    577,410.28/796,430.82 = 376,478.44/x
  3. Step 3: Cross multiply
    577,410.28x = 796,430.82 × 376,478.44
  4. Step 4: Simplify right side
    577,410.28x = 299,839,032,681.52
  5. Step 5: Solve for x
    x = 299,839,032,681.52/577,410.28
  6. Step 6: Final answer
    x = 519,282.46

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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.