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Finding the Fourth Proportional to 340,482.36, 510,806.26 and 103,829.24

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Solution

The fourth proportional to 340,482.36, 510,806.26 and 103,829.24 is: 155,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,482.36 : 510,806.26 = 103,829.24 : x
  2. Step 2: Convert to fraction form
    340,482.36/510,806.26 = 103,829.24/x
  3. Step 3: Cross multiply
    340,482.36x = 510,806.26 × 103,829.24
  4. Step 4: Simplify right side
    340,482.36x = 53,036,625,763.04
  5. Step 5: Solve for x
    x = 53,036,625,763.04/340,482.36
  6. Step 6: Final answer
    x = 155,769.09

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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.