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Finding the Fourth Proportional to 4,709,606.74, 7,059,926.06 and 1,512,490.90

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Solution

The fourth proportional to 4,709,606.74, 7,059,926.06 and 1,512,490.90 is: 2,267,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709,606.74 : 7,059,926.06 = 1,512,490.90 : x
  2. Step 2: Convert to fraction form
    4,709,606.74/7,059,926.06 = 1,512,490.90/x
  3. Step 3: Cross multiply
    4,709,606.74x = 7,059,926.06 × 1,512,490.90
  4. Step 4: Simplify right side
    4,709,606.74x = 10,678,073,929,721.95
  5. Step 5: Solve for x
    x = 10,678,073,929,721.95/4,709,606.74
  6. Step 6: Final answer
    x = 2,267,296.30

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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.