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Finding the Fourth Proportional to 619,034.36, 854,444.56 and 364,533.16

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Solution

The fourth proportional to 619,034.36, 854,444.56 and 364,533.16 is: 503,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,034.36 : 854,444.56 = 364,533.16 : x
  2. Step 2: Convert to fraction form
    619,034.36/854,444.56 = 364,533.16/x
  3. Step 3: Cross multiply
    619,034.36x = 854,444.56 × 364,533.16
  4. Step 4: Simplify right side
    619,034.36x = 311,473,375,501.61
  5. Step 5: Solve for x
    x = 311,473,375,501.61/619,034.36
  6. Step 6: Final answer
    x = 503,160.08

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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.