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Finding the Fourth Proportional to 543,058.02, 749,384.06 and 301,325.27

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Solution

The fourth proportional to 543,058.02, 749,384.06 and 301,325.27 is: 415,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,058.02 : 749,384.06 = 301,325.27 : x
  2. Step 2: Convert to fraction form
    543,058.02/749,384.06 = 301,325.27/x
  3. Step 3: Cross multiply
    543,058.02x = 749,384.06 × 301,325.27
  4. Step 4: Simplify right side
    543,058.02x = 225,808,348,959.65
  5. Step 5: Solve for x
    x = 225,808,348,959.65/543,058.02
  6. Step 6: Final answer
    x = 415,808.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.