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Finding the Fourth Proportional to 617,936.60, 926,127.30 and 547,952.60

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Solution

The fourth proportional to 617,936.60, 926,127.30 and 547,952.60 is: 821,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,936.60 : 926,127.30 = 547,952.60 : x
  2. Step 2: Convert to fraction form
    617,936.60/926,127.30 = 547,952.60/x
  3. Step 3: Cross multiply
    617,936.60x = 926,127.30 × 547,952.60
  4. Step 4: Simplify right side
    617,936.60x = 507,473,861,965.98
  5. Step 5: Solve for x
    x = 507,473,861,965.98/617,936.60
  6. Step 6: Final answer
    x = 821,239.37

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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.