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Finding the Fourth Proportional to 576,914.94, 864,197.37 and 470,677.50

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Solution

The fourth proportional to 576,914.94, 864,197.37 and 470,677.50 is: 705,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,914.94 : 864,197.37 = 470,677.50 : x
  2. Step 2: Convert to fraction form
    576,914.94/864,197.37 = 470,677.50/x
  3. Step 3: Cross multiply
    576,914.94x = 864,197.37 × 470,677.50
  4. Step 4: Simplify right side
    576,914.94x = 406,758,257,618.18
  5. Step 5: Solve for x
    x = 406,758,257,618.18/576,914.94
  6. Step 6: Final answer
    x = 705,057.59

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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.