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Finding the Fourth Proportional to 348,057.65, 522,011.28 and 123,425.42

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Solution

The fourth proportional to 348,057.65, 522,011.28 and 123,425.42 is: 185,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,057.65 : 522,011.28 = 123,425.42 : x
  2. Step 2: Convert to fraction form
    348,057.65/522,011.28 = 123,425.42/x
  3. Step 3: Cross multiply
    348,057.65x = 522,011.28 × 123,425.42
  4. Step 4: Simplify right side
    348,057.65x = 64,429,459,331.53
  5. Step 5: Solve for x
    x = 64,429,459,331.53/348,057.65
  6. Step 6: Final answer
    x = 185,111.46

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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.