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Finding the Fourth Proportional to 504,638.88, 756,101.40 and 304,538.76

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Solution

The fourth proportional to 504,638.88, 756,101.40 and 304,538.76 is: 456,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,638.88 : 756,101.40 = 304,538.76 : x
  2. Step 2: Convert to fraction form
    504,638.88/756,101.40 = 304,538.76/x
  3. Step 3: Cross multiply
    504,638.88x = 756,101.40 × 304,538.76
  4. Step 4: Simplify right side
    504,638.88x = 230,262,182,790.26
  5. Step 5: Solve for x
    x = 230,262,182,790.26/504,638.88
  6. Step 6: Final answer
    x = 456,291.01

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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.