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Finding the Fourth Proportional to 576,915.94, 864,198.87 and 470,678.50

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Solution

The fourth proportional to 576,915.94, 864,198.87 and 470,678.50 is: 705,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,915.94 : 864,198.87 = 470,678.50 : x
  2. Step 2: Convert to fraction form
    576,915.94/864,198.87 = 470,678.50/x
  3. Step 3: Cross multiply
    576,915.94x = 864,198.87 × 470,678.50
  4. Step 4: Simplify right side
    576,915.94x = 406,759,827,833.30
  5. Step 5: Solve for x
    x = 406,759,827,833.30/576,915.94
  6. Step 6: Final answer
    x = 705,059.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.