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Finding the Fourth Proportional to 340,276.01, 510,491.46 and 103,637.14

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Solution

The fourth proportional to 340,276.01, 510,491.46 and 103,637.14 is: 155,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,276.01 : 510,491.46 = 103,637.14 : x
  2. Step 2: Convert to fraction form
    340,276.01/510,491.46 = 103,637.14/x
  3. Step 3: Cross multiply
    340,276.01x = 510,491.46 × 103,637.14
  4. Step 4: Simplify right side
    340,276.01x = 52,905,874,021.24
  5. Step 5: Solve for x
    x = 52,905,874,021.24/340,276.01
  6. Step 6: Final answer
    x = 155,479.30

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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.