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Finding the Fourth Proportional to 348,681.30, 522,037.80 and 338,839.80

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Solution

The fourth proportional to 348,681.30, 522,037.80 and 338,839.80 is: 507,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,681.30 : 522,037.80 = 338,839.80 : x
  2. Step 2: Convert to fraction form
    348,681.30/522,037.80 = 338,839.80/x
  3. Step 3: Cross multiply
    348,681.30x = 522,037.80 × 338,839.80
  4. Step 4: Simplify right side
    348,681.30x = 176,887,183,744.44
  5. Step 5: Solve for x
    x = 176,887,183,744.44/348,681.30
  6. Step 6: Final answer
    x = 507,303.33

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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.