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Finding the Fourth Proportional to 504,967.80, 757,864.80 and 501,031.20

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Solution

The fourth proportional to 504,967.80, 757,864.80 and 501,031.20 is: 751,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,967.80 : 757,864.80 = 501,031.20 : x
  2. Step 2: Convert to fraction form
    504,967.80/757,864.80 = 501,031.20/x
  3. Step 3: Cross multiply
    504,967.80x = 757,864.80 × 501,031.20
  4. Step 4: Simplify right side
    504,967.80x = 379,713,910,181.76
  5. Step 5: Solve for x
    x = 379,713,910,181.76/504,967.80
  6. Step 6: Final answer
    x = 751,956.68

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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.