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Finding the Fourth Proportional to 5,678,579.06, 8,509,248.75 and 4,163,270.90

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Solution

The fourth proportional to 5,678,579.06, 8,509,248.75 and 4,163,270.90 is: 6,238,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,579.06 : 8,509,248.75 = 4,163,270.90 : x
  2. Step 2: Convert to fraction form
    5,678,579.06/8,509,248.75 = 4,163,270.90/x
  3. Step 3: Cross multiply
    5,678,579.06x = 8,509,248.75 × 4,163,270.90
  4. Step 4: Simplify right side
    5,678,579.06x = 35,426,307,701,736.38
  5. Step 5: Solve for x
    x = 35,426,307,701,736.38/5,678,579.06
  6. Step 6: Final answer
    x = 6,238,586.68

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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.