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Finding the Fourth Proportional to 340,291.22, 510,510.63 and 103,627.70

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Solution

The fourth proportional to 340,291.22, 510,510.63 and 103,627.70 is: 155,464.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,291.22 : 510,510.63 = 103,627.70 : x
  2. Step 2: Convert to fraction form
    340,291.22/510,510.63 = 103,627.70/x
  3. Step 3: Cross multiply
    340,291.22x = 510,510.63 × 103,627.70
  4. Step 4: Simplify right side
    340,291.22x = 52,903,042,412.45
  5. Step 5: Solve for x
    x = 52,903,042,412.45/340,291.22
  6. Step 6: Final answer
    x = 155,464.02

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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.