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Finding the Fourth Proportional to 1,238,497, 1,858,057.62 and 352,033

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Solution

The fourth proportional to 1,238,497, 1,858,057.62 and 352,033 is: 528,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,497 : 1,858,057.62 = 352,033 : x
  2. Step 2: Convert to fraction form
    1,238,497/1,858,057.62 = 352,033/x
  3. Step 3: Cross multiply
    1,238,497x = 1,858,057.62 × 352,033
  4. Step 4: Simplify right side
    1,238,497x = 654,097,598,141.46
  5. Step 5: Solve for x
    x = 654,097,598,141.46/1,238,497
  6. Step 6: Final answer
    x = 528,138.22

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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.