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Finding the Fourth Proportional to 556,049.88, 767,348.10 and 301,401

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Solution

The fourth proportional to 556,049.88, 767,348.10 and 301,401 is: 415,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,049.88 : 767,348.10 = 301,401 : x
  2. Step 2: Convert to fraction form
    556,049.88/767,348.10 = 301,401/x
  3. Step 3: Cross multiply
    556,049.88x = 767,348.10 × 301,401
  4. Step 4: Simplify right side
    556,049.88x = 231,279,484,688.10
  5. Step 5: Solve for x
    x = 231,279,484,688.10/556,049.88
  6. Step 6: Final answer
    x = 415,932.98

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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.